Ge-industrial-solutions Entellisys System User Manual Manuel d'utilisateur

GEEntellisys™ Low Voltage SwitchgearSystem User Manual

10 Contents11.10 FlexLogic control alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Multipoint functions10077.3.1 SetupThe setup of the PT sources is done by GE before the switchgear is shipped to the customer, rather than by the cust

PT Throw-Over 1017In Topology 3, all three topology circuit breakers are closed, so the sources at M1 and M2 are operating in parallel. In this case,

Multipoint functions10277.3.2 UsageTo view the PT source in use by a given circuit breaker1. On the User Settings screen, click Metering & Wavefor

Zone Selective Interlock 10377.4 Zone Selective InterlockEntellisys provides support for Zone Selective Interlock (also referred to as ZSI). ZSI enabl

Multipoint functions10477.4.4 TopologiesA topology is the state of the circuit breakers that control the system's power flow. Such circuit breake

Zone Selective Interlock 1057There are a couple of restrictions in place for this calculation. The newly calculated time delay cannot exceed 400 ms. I

Multipoint functions1067Figure 7-10 Tier settings and ZSI typeTo select the ZSI type for all zones, choose from the following options in the ZSI Type

Zone Selective Interlock 1077Each ZSI zone can be enabled or disabled independently by checking Enabled where appropriate. To send changes to the CPU,

Multipoint functions1087Figure 7-11 ZSI events7.4.7.3 EventsEvents logged by the ZSI can be grouped into three categories: configuration, confirmation

Zone Selective Interlock 10977.4.7.6 Operation eventsThis category includes four events. “X” in the descriptions below stands for zone number and it c

Description of operation 1111 System architectureThe Entellisys™ Low-Voltage Switchgear architecture is unique. The central processor unit (CPU) is th

Multipoint functions1107

Setup 11188 Reduced Let-Thru ModeEntellisys Reduced Let-Thru Mode settings, used in conjunction with Bus Differential protection, make it easy to set

Reduced Let-Thru Mode1128If the CPU is power cycled with the Reduced Let-Thru Mode enabled, after power on, this mode is disabled. When Reduced Let-Th

Setup 11388.1.1 User settings for Bus DifferentialThe minimum settings for Bus Differential zones for both Alarm-Only and Trip Relays for Topology 0 a

Reduced Let-Thru Mode11488.1.2 User settings for Multi-Source Ground-FaultThe minimum settings for Multi-Source Ground-Fault zones for both Alarm-Only

Setup 1158Figure 8-4 Reduced Let-Thru Mode settings for Multi-Source Ground-Fault Relay8.1.3 User settings for Zone Selective InterlockA ZSI zone is m

Reduced Let-Thru Mode1168Figure 8-5 Reduced Let-Thru Mode settings for Zone Selective Interlock8.2 TroubleshootingWhen Reduced Let-Thru Mode is enable

11799 Sequence of events, fault reports, and waveform capture recordsThe Sequence of Events (SOE) record in Entellisys Low-Voltage switchgear is inten

Sequence of events, fault reports, and waveform capture records11899.1 Event configurationThe SOE configuration is located under Preferences at the to

Event configuration 1199Figure 9-2 Filter events• Protect/Overwrite – In Protect mode, the event logger stops recording events when the maximum size o

System architecture121Digital I/O is provided for customer-specific inputs and outputs. This equipment is resident in the switchgear and is connected

Sequence of events, fault reports, and waveform capture records12099.2 Viewing the SOEThe default SOE view displays events of the default CPU in the o

Waveform capture operation 12199.4 Waveform capture operationAll waveform captures are performed on a system-wide basis. This means that for every wav

Sequence of events, fault reports, and waveform capture records12299.5 Viewing waveformsTo view a waveform capture on the HMI screen, highlight the ev

Viewing waveforms 1239Displayed on the left side of the window are parameter fields, as shown in Figure 9-4:Figure 9-4 Parameter fields• The blue fiel

Sequence of events, fault reports, and waveform capture records12499.6 Waveform viewer functionsClick the Config button to display the waveform viewer

Waveform viewer functions 1259Figure 9-6 Digital Channel Setup tabDisplay axis names• Check box hides/displays the Y-axis parameter names. Auto-detect

Sequence of events, fault reports, and waveform capture records1269The Delta box on the left-hand side of the screen indicates the difference in magni

Discrete inputs/outputs 1271010 Digital I/O10.1 Discrete inputs/outputsEntellisys provides support for up to 128 discrete I/O points that can be confi

Digital I/O1281010.1.1.1 Non-redundant discrete I/ODiscrete I/Os can be wired in two configurations: non-redundant and redundant. Non-redundant config

Discrete inputs/outputs 1291010.1.1.2 Redundant discrete I/ORedundant discrete I/O configurations require both CPUs to have same number of discrete I/

System components 1311.3 System componentsFollowing are brief descriptions of each component in the Entellisys system.1.3.1 EntelliGuard circuit break

Digital I/O1301010.1.1.4 “OR” boardThe “OR” board is used only in redundant configurations of discrete I/Os. In redundant configurations, outputs on t

Discrete inputs/outputs 1311010.1.1.5 RelaysEntellisys uses two types of relays: input and output. Both are optically isolated, solid state relays. Re

Digital I/O1321010.1.1.7 Terminal blockEntellisys requires up to four 68-pin terminal blocks, one for every discrete I/O board in the system. Terminal

Discrete inputs/outputs 1331010.1.1.8 CableDiscrete I/O boards connect with terminal blocks by a 68-pin SCSI cable. The cable is shielded and provides

Digital I/O1341010.1.2 SoftwareDuring CPU start up, the presence of discrete I/O boards is automatically detected. Support of discrete I/Os does not o

Discrete inputs/outputs 13510Input relay blocks• GND • Connects directly to common on power terminal strip • No daisy-chaining GND to other relay bloc

Digital I/O13610Figure 10-6 128 Discrete I/O points in non-redundant configurationCCPUDEVICESDEVICESDEVICESDEVICESDEVICESDEVICESDEVICESDEVICESRELAY BO

Discrete inputs/outputs 1371010.1.3.2 I/O points directionBefore discrete I/Os can be used, their direction must be configured. When discrete I/O card

Digital I/O13810When all I/O points are assigned the intended direction, click Apply to transfer the points' direction assignments to the CPUs. N

Discrete inputs/outputs 1391010.1.3.4 Output configurationTo configure discrete I/O outputs, click Contact Outputs in the Discrete Inputs/Outputs dial

System architecture1411.3.2 Current transformersCurrent transformers (CTs) are sensors that measures current. Each circuit breaker requires input from

Digital I/O1401010.1.3.5 OperationDiscrete I/Os are closely tied with FlexLogic. Contact input states can be used as input data for a FlexLogic equati

Discrete inputs/outputs 1411010.1.3.7 Contact output statesWhile CPUs are running they provide the current states of discrete outputs. To view this in

Digital I/O1421010.1.3.9 Input test modeTo operate on inputs, choose Input in the Contact I/O Selection drop-down menu. Each input can be placed into

Discrete inputs/outputs 1431010.1.3.10 Output test modeTo operate on outputs, select Output in the Contact I/O Selection drop-down menu. Each output c

Digital I/O1441010.1.3.12 Configuration eventsThis category has 9 events.• Discrete IO Disabled Invalid Cfg Card 1. This event is logged when Entellis

Discrete inputs/outputs 1451010.1.4 TroubleshootingDiscrete input status does not change despite toggling corresponding input relay• Discrete I/O poin

Digital I/O14610

Introduction to FlexLogic 1471111 FlexLogic™11.1 Introduction to FlexLogicTo provide maximum flexibility to the user, the arrangement of internal digi

FlexLogic™14811The characteristics of the different types of operands are listed in Table 11-1.Table 11-1 FlexLogic operand typesOperand type State Ex

Introduction to FlexLogic 14911The operands available for this relay are listed alphabetically by operand type in Table 11-2.Table 11-2 Entellisys Fle

System components 1511.3.3 Potential transformersPotential or voltage transformers (PTs) are sensors that measure voltage. Unlike traditional switchge

FlexLogic™15011ELEMENT:Instantaneous OvercurrentIOC 1 OPIOC 1 DPOInstantaneous Overcurrent 1 activatedInstantaneous Overcurrent 1 deactivatedIOC 2…30

Introduction to FlexLogic 15111ELEMENT:Over frequencyOVERFREQUENCY 1 ALARM PKPOVERFREQUENCY 1 ALARM OPOVERFREQUENCY 1 ALARM DPOOVERFREQUENCY 1 TRIP PK

FlexLogic™15211ELEMENT:Synch CheckSYNC CHECK 1 DEAD S OPSYNC CHECK 1 DEAD S DPOSYNC CHECK 1 SYNC OPSYNC CHECK 1 SYNC DPOSYNC CHECK 1 CLS OPSYNC CHECK

Introduction to FlexLogic 15311INPUTS/OUTPUTS:Contact Inputs(Note: total contact inputs + total contact outputs <= 128)Contact Input 1 On↓Contact I

FlexLogic™15411Some operands can be renamed by the user. The operands that can be renamed are the names of contact inputs/outputs and virtual inputs/o

Introduction to FlexLogic 15511Logic Gate NOT Logic Not Operates on the previous parameter.OR (2)↓OR (16)2 input OR gate↓16 input OR gateOperates on t

FlexLogic™15611The characteristics of the logic gates are found in Table 11-4.The latch logic operation is described in Table 11-5.11.2 FlexLogic rule

FlexLogic evaluation 1571111.3 FlexLogic evaluationEach equation is evaluated in the order in which the parameters are entered.CAUTION: FlexLogic prov

FlexLogic™1581111.6 FlexLogic timersTo view FlexLogic timers1. On the Main Menu, click User Settings.2. Click Control, and then select Timers.There ar

FlexLogic virtual outputs 1591111.8 FlexLogic virtual outputsTo view FlexLogic virtual outputs1. On the Main Menu, click User Settings.2. Click Contro

System architecture1611.3.4 EntelliGuard MessengerThe EntelliGuard Messenger electronic device provides the interface between the circuit breakers and

FlexLogic™1601111.10 FlexLogic control alarmsTo view FlexLogic control alarms1. On the Main Menu, click User Settings.2. Click Control, and then click

FlexLogic example 16111In the example below, it is assumed that logic has already been programmed to produce Virtual Outputs 1 and 2, and is only a pa

FlexLogic™162112. Prepare a logic diagram for the equation to produce Virtual Output 3, as this output will be used as an operand in the Virtual Outpu

FlexLogic example 16311Figure 11-5 FlexLogic worksheeta. Following the procedure outlined, start with parameter 99, as follows:99: The final output of

FlexLogic™16411Figure 11-6 FlexLogic equation for Virtual Output 35. Repeating the process described for VIRTUAL OUTPUT 3, select the FlexLogic parame

FlexLogic example 16511[87] Virt Op 2 On[88] Virt Ip 1 On[89] DIG ELEM 1 PKP[90] XOR (2)[91] Virt Op 3 On[92] OR (4)[93] LATCH (S, R)[94] Virt Op 3 On

FlexLogic™166116. Now write the complete FlexLogic expression required to implement the logic, making an effort to assemble the equation in an order w

FlexLogic redundancy 1671111.14 FlexLogic redundancy11.14.1 OverviewCPU control redundancy scheme utilizes primary/hot backup redundancy approach. CPU

FlexLogic™1681111.14.3 Failure modeBoth CPUs become inactive when one of the following conditions occurs.1. Both CPUs have the same CPU ID. Event, “At

Viewing and understanding PM data 1691212 Preventive maintenanceEntellisys provides data to enable users to manage preventive maintenance (PM) items.

System components 171Test ConnectorConnection point between the Entellisys System Test Kit and the Messenger. Figure 1-7 EntelliGuard MessengerThe Mes

Preventive maintenance1701212.1.1 Total operationsEntellisys keeps a count of the total number of transitions of each EntelliGuard circuit breaker. Wh

Viewing and understanding PM data 17112If the current flowing through the circuit breaker at the time of transition exceeds the maximum current thresh

Preventive maintenance1721212.1.6 Percent mechanical lifeEntellisys calculates the percentage of mechanical life used on each EntelliGuard circuit bre

Adjusting preventive maintenance values 1731212.2 Adjusting preventive maintenance valuesAll the values above, except for accumulated service hours an

Preventive maintenance1741212.2.1 Notification thresholdsTo enable a threshold alarm for an operation counter, enter a value in the appropriate Notifi

Setup 1751313 AlarmsThe Alarm Status function provides a convenient method for creating alerts for various conditions that may warrant immediate atten

Alarms17613Figure 13-2 Alarms Setup screenTo configure the SMTP server used for e-mail notifications, select the Email Preferences tab on the Alarms s

Usage 1771313.2 UsageDuring regular operation, Alarm Status is displayed as shown in Figure 13-3.Figure 13-3 Alarm Status screen

Alarms17813The legend across the top of the Alarm Status screen shows the possible states for alarm conditions.When an alarm first occurs, it transiti

Monitoring system health 1791414 System health14.1 Monitoring system healthThe System Health screen displays diagnostic information about the Entellis

System architecture181Figure 1-8 Compartment ID Button un-tethered from switchgear1.3.6 Messenger communications networkThe Messenger communications n

System health18014Figure 14-2 CPU Health screenFigure 14-3 Messenger Health screen

Monitoring system health 18114Table 14-1 contains descriptions and recommended actions for abnormal states (Red or Yellow) on the Messenger Health scr

System health1821414.2 TroubleshootingOne of the LEDs is red indicating a problem, but the Sequence of Events log does not provide any details about t

Features 1831515 Control power and UPS configuration15.1 FeaturesEntellisys instrumentation and circuit breakers rely upon 120 Vac 50/60 Hz control po

Control power and UPS configuration1841515.3 UPS compartmentEach of the two incoming power lines from CPTs “A” and “B” connects directly to a 30 A fus

Roof 1851515.4 RoofTo distribute control power to the gear, the four protected output circuits are typically brought to the roof(s) of the vertical st

Control power and UPS configuration18615

Sequence of events cause code cross reference index 187AA Alarms and eventsA.1 Sequence of events cause code cross reference indexThe following table

Alarms and events188AH-001C Caution: Firmware Download Failed for [CPU A/B/Messngr].Cannot Erase Firmware.Replace CPU page 210H-001D Firmware Download

Sequence of events cause code cross reference index 189AH-003A Note: FTP Error 11 page 210H-003B Note: FTP Error 12 page 210H-003C Note: FTP Error 1

System components 1911.3.8 CPUThe CPU is a rack-mount industrial computer running a real-time operating system. The CPU provides the processing capabi

Alarms and events190AH-0056 Invalid Login Attempt By Login ID %s page 208H-0057 User With [USER ID] ID Logged Into HMI page 209H-0058 User With [USE

Sequence of events cause code cross reference index 191AH-0089 Attention: Control Power 1 Outage Detected On Battery Backup page 214H-008A Attention:

Alarms and events192AC-7C16 Attention Breaker Open Failed Flux Shifter page 233C-7C17 Attention Breaker Trip Failed Flux Shifter page 233C-7C18 Breake

Sequence of events cause code cross reference index 193AC-7C37 Invalid Setting IOC Mult CPUA Chng Rejected page 224C-7C38 Invalid Setting IOC Mult CPU

Alarms and events194AC-7C59 Breaker Secondary Disconnected page 233C-7C5A Breaker Tripped page 233C-7C5B Breaker Tripped Analog IOC page 226C-7C5C Tes

Sequence of events cause code cross reference index 195AC-7C79 Alarm Dropout High Current page 215C-7C7C Note CPU Internal Error 4 page 230C-7C7E Brea

Alarms and events196AC-7C98 Upgrade Failure Due To Bad CRC page 231C-7C9A Attention New Messngr Options Deficient page 231C-7C9B Upgrade Failure Inter

Sequence of events cause code cross reference index 197AC-7CD6 CPU Firmware Failure Previous Version In Use page 231C-7CD9 Alarm Pickup Underfrequency

Alarms and events198AC-7CF4 Dropout Multi Source GF Zone 3 page 219C-7CF5 Breakers Trip Multi Source GF Zone 3 page 219C-7CF6 Breakers Trip Backup Mul

Sequence of events cause code cross reference index 199AC-7D16 Breakers Trip Backup Bus Diff Zone 1 Settings1 page 217C-7D17 Pickup Bus Diff Zone 1 Se

DEH-231Warnings, Cautions, and Notes as used in this publicationWarningsWARNING! Warning notices are used in this publication to emphasize that hazard

System architecture2011.3.10 Digital I/OThe Digital I/O equipment provides programmable input and output logic for customer-specific requirements.Exam

Alarms and events200AC-7D32 Breakers Trip Backup Bus Diff Zone 3 Settings1 page 217C-7D33 Pickup Bus Diff Zone 3 Settings 2 page 217C-7D34 Dropout Bus

Sequence of events cause code cross reference index 201AC-7D4E ZSI Zone 2 Operation page 229C-7D4F ZSI Zone 3 Operation page 229C-7D50 ZSI Zone 4 Oper

Alarms and events202AC-7D6E Protection Suspended Zone 4 Bus Diff page 218C-7D6F Protection Resumed Zone 1 Bus Diff page 218C-7D70 Protection Resumed Z

Sequence of events cause code cross reference index 203AC-7D8C ZSI Zone 3 Disabled page 229C-7D8D ZSI Zone 4 Disabled page 229C-7D8E Protection Suspen

Alarms and events204AC-7DB0 Synch Check 3 Dead Source Drop Out page 222C-7DB5 Synch Check 3 V1 Above Minimum page 222C-7DB6 Synch Check 3 V1 Below Max

Sequence of events cause code cross reference index 205AC-7DD8 Synch Check 6 Sources Not Compatible page 221C-7DD9 Synch Check 6 Dead Source Operate p

Alarms and events206AC-7E10 Invalid BusDiff Zone3 Set1 Pkup Min Used page 219C-7E11 Invalid BusDiff Zone4 Set1 Pkup Min Used page 219C-7E12 Invalid BD

Sequence of events cause code cross reference index 207AC-7E2C Voltage Above Underfrequency Blocking Voltage page 216C-7E2D Voltage Below Overfrequenc

Alarms and events208AA.2 Alarms and events description and system troubleshooting guide – Indicates a waveform capture is performed when the option is

Alarms and events description and system troubleshooting guide 209AUser With [USER ID] ID Logged Into HMIIndicates that the specified operator has log

System components 2111.3.10.7 Digital I/O customer interface wiringThe customer interface to the digital I/O is provided at the I/O module relay block

Alarms and events210ACaution: Firmware Download Failed for [CPU A/B/Messngr]. Unable to Enable Flash Pgm Mode. Replace CPUContact GE Service for CPU r

Alarms and events description and system troubleshooting guide 211ACaution: Error Retrieving File [Name]. RetryAn error has occurred attempting to ret

Alarms and events212AClock and Time Synchronization RelatedTime Synchronization Disabled Logged to record that the HMI is no longer synchronizing the

Alarms and events description and system troubleshooting guide 213ACaution: Settings Failed Writing Commission Status To [CPUA/B]Logged to indicate th

Alarms and events214ABreaker Close Command Issued from HMI For [Breaker Name] Logged when an operator issues a close command for a given breakerBreake

Alarms and events description and system troubleshooting guide 215AVoltage Above Undervoltage Blocking VoltageThe voltage on at least one of the three

Alarms and events216ARelays - Frequency and Reverse PowerAlarm Pickup Reverse Power Alarm only reverse power relay has entered pickupAlarm Reverse Pow

Alarms and events description and system troubleshooting guide 217AAlarm Dropout Overfrequency Alarm only overfrequency relay has dropped out of picku

Alarms and events218AAlarm Dropout Bus Diff Zone 1…4 Settings 1Alarm only bus differential for zone 1…4, settings 1 has dropped out of pickupAlarm Bus

Alarms and events description and system troubleshooting guide 219AInvalid BusDiff Zone1…4 Set1 Pkup Min UsedPickup setting 1 for bus differential for

System architecture2211.3.13 Touchscreen HMIThe system interface for the Entellisys switchgear will be through one or more touchscreen computer displa

Alarms and events220AAlarm Dropout Multi Source GF Sum Zone 1…2Alarm only multi source ground fault for summation zone 1…2 has dropped out of pickupAl

Alarms and events description and system troubleshooting guide 221AInvalid Set MSGF Zone1…4 Alrm Pkup Min UsedPickup setting 1 for alarm only multi so

Alarms and events222ASynch Check 1…6 Dead Source OperateDead source criteria for synch check relay 1…6 have been metSynch Check 1…6 Dead Source Drop O

Alarms and events description and system troubleshooting guide 223AInvalid Setting IOC Pickup Change RejectedAttempt to change IOC pickup setting has

Alarms and events224AProtection Defaulted Invalid Frame RatingMessenger reports a frame rating value that is not valid, protection settings set to val

Alarms and events description and system troubleshooting guide 225AInvalid Setting ST From CPUB Change RejectedMessenger has received an invalid short

Alarms and events226ACPUB Synch Clock OK Messenger reports that CPU B is using the CPU Synch Clock (event recorded by CPU A)Caution CPUA Synch Clock E

Alarms and events description and system troubleshooting guide 227ACaution Messngr Not Receiving From CPUBMessenger reports that it is not receiving d

Alarms and events228AAll Metering and Protection DisabledCPU is not performing any metering or protection, either because it does not have a valid opt

Alarms and events description and system troubleshooting guide 229AReduced Let Thru Mode Initiated Reduced Let Thru Mode has been initiated, CPU is us

System components 2311.3.14 Remote HMIThe Entellisys system offers desktop access to the switchgear with the same HMI software installed in the gear.

Alarms and events230AProtection Suspended ZSI File ErrorBad or missing ZSI configuration file, functionality is suspendedContact GE Post Sales Service

Alarms and events description and system troubleshooting guide 231ACPU Updates (firmware & options)CPU Firmware Download StartedCPU firmware downl

Alarms and events232ACommands from HMICPU Reinitialized Issued CPU is going to reboot, either because of a modbus command, or an internal issue.The re

Alarms and events description and system troubleshooting guide 233ABreaker StatusAttention Breaker Open Failed Shunt TripCPU sent an open with shunt t

Alarms and events234ABreaker Close Command Rejected Breaker Locked OutBreaker is locked out, so CPU has rejected the close command• If breaker has a m

Index 235IndexAADVANCED METERING 33ALARMS 175setup 175troubleshooting 178usage 177ALARMS AND EVENTSdescription and system troubleshooting guide

Index236Indexaccuracy 75alarm settings 76event logging 76setup 75usage 76HIGH RESISTANCE GROUND FAULT RELAY 77accuracy 77alarm settings 77even

Index 237Indexapprovals 26environmental 25type tests 25SWITCHGEAR INSTALLATIONS 12SYNCH CHECK RELAY 79configuration 81event logging 84maximum d

System architecture2411.3.18 UPS to HMI connectionThe Entellisys system provides event/alarm/e-mail information when the UPS A has gone on battery bac

Environmental 2522 Specifications2.1 EnvironmentalStorage/shipping temperatures–40 to 85° COperating temperatures0 to 40° C ambient, indoor useHumidit

Specifications26222.3 ApprovalsUL Listed – Low Voltage AC Power Circuit Breaker Trip Unit - E-48428FCC Class A listedRFI RFI with portable transmitter

Controlling circuit breakers 2733 Basic controlEntellisys allows users to control EntelliGuard circuit breakers from the HMI. A circuit breaker may be

Basic control283Figure 3-2 Breaker Control screen for open circuit breakerFigure 3-3 Breaker Control screen with closed circuit breaker

Block other HMIs 2933.2 Block other HMIsAny HMI that is designated as a Local HMI can block other HMIs from operating circuit breakers. To designate a

How to contact usPlease have your Entellisys System Summary # and Sub # ready when calling. This information can be found on the Entellisys HMI on the

Basic control303If the close breaker command is successful, the circuit breaker closes and the Current State of the circuit breaker on the Breaker Con

Basic metering 3144 MeteringEntellisys provides a number of metering quantities, including RMS current and voltage, demands, energy values, power fact

Metering324Watts and watt-hours are positive when the current is flowing from line to load and negative when the current is flowing from load to line.

Advanced metering 334For block demand, Entellisys calculates the average demand over the duration of the demand interval. For rolling demand, Entellis

Metering3444.5 Metering accuracyTable 4-2 shows the metering accuracy for Wh, varh, VAh, W, var, and VA under the following conditions:• Nominal frequ

Setup 3544.6 SetupThe setup required for metering falls into four basic categories: basic configuration, options, programmable parameters, and meter d

Metering364Figure 4-1 Configuration information for metering

Setup 3744.6.2 OptionsThe three metering options (expanded, demand, and advanced) are described in the previous sections. The number of each type of m

Metering3844.6.4 Meter distributionOne of the unique features of Entellisys is that meters can be moved from one circuit breaker to another with just

Setup 394Figure 4-4 Meter distribution

Metering4044.7 Usage4.7.1 Viewing basic metering dataBasic metering quantities (i.e., RMS voltage and current) are typically available on the one-line

Usage 414Figure 4-6 Breaker Status screen4.7.2 Viewing demand metering dataTo view the Demand Metering screen, click Demand Metering on the Breaker St

Metering424Figure 4-7 Demand Metering screenFigure 4-8 Demand log viewer

Usage 434The demand log shows the demand, power factor, and energy use by the system over time. To view the details of the log (actual date and time a

Metering4444.7.3 Viewing detailed metering dataTo view the Detailed Metering screen, click Detailed Metering on the Breaker Status screen. The Detaile

Usage 4544.7.4 Viewing harmonics metering dataTo view the Harmonics Metering screen, click Harmonics Metering on the Breaker Status screen. The Harmon

Metering464Figure 4-12 Frequency spectra for currentsA description of the quantities available in the Harmonics Metering screen is given above.4.8 Tro

Overcurrent protection 4755 Single point functions5.1 Overcurrent protectionThe Entellisys Low-Voltage Switchgear system provides four different kinds

Single point functions485The following long time delay band selections are available:• Band 1: K = 108 seconds• Band 2: K = 216 seconds• Band 3: K = 4

Overcurrent protection 495Figure 5-1 Setting Delay Band for LT protection for Breaker 25.1.1.3 UsageThe LT Overcurrent Protection function picks up wh

Contents 51 System architecture1.1 Description of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Single point functions5055.1.2 IOC/Short Time Overcurrent protectionThere are two levels of Short Time (ST) Overcurrent Protection in the Entellisys s

Overcurrent protection 515The I2T option is available with each of the seven delay bands listed above. Note that the trip times will not be shorter th

Single point functions525The operation of the Messenger and Entellisys CPU based on the state of the protection options is summarized in Table 5-2 bel

Overcurrent protection 535Entellisys limits the maximum Instantaneous Overcurrent Pickup Setting (PIOC) Multiplier based on frame type and whether or

Single point functions5455.1.2.4 UsageST Overcurrent Protection goes into pickup when the current in any phase is above the ST pickup setting. ST pick

Overcurrent protection 555NOTE: Band 1 is not intended to be selective with Band 3. The actual fault clearing time depends on the energy content of th

Single point functions565There are two options configured at each Messenger for Ground Fault. The combinations of Ground Fault options are listed in T

Single Point Relay protection 5755.1.3.4 UsageThe GF Protection function detects unintentional current flowing from a circuit to a conducting path to

Single point functions585Relay trips can be configured to use either the OPEN command (flux shifter open without bell alarm activation) or the TRIP co

Single Point Relay protection 595Inverse time function: If the inverse time curve is selected, the system trips the appropriate circuit breaker or act

6 Contents3.5 Trip circuit breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Single point functions605Phase Requirement: Select from among the following options using the Phase Requirement drop-down menu:• Operate if any one ph

Single Point Relay protection 615Figure 5-4 Settings for Undervoltage Relay5.2.1.4 UsageEvent loggingThe following events are logged:• Alarm Pickup Un

Single point functions6255.2.2 Overvoltage RelayThe Entellisys system performs the Overvoltage Relay function by comparing the voltage in each phase t

Single Point Relay protection 6355.2.2.4 Alarm settingsRelay Enabled: Select Enabled to enable the relay.Pickup: Adjust the overvoltage pickup from 10

Single point functions6455.2.2.5 UsageEvent loggingThe following events are logged for the Overvoltage relay in the Entellisys HMI:• Alarm Pickup Over

Single Point Relay protection 655The accuracy of the blocking voltage depends on the frequency deviation and is listed in Table 5-6.5.2.3.2 SetupTo se

Single point functions665Blocking Voltage Enabled: Select Enabled in the Blocking Voltage section to enable the blocking voltage. If the option is ena

Single Point Relay protection 675• Dropout Over Frequency – Over frequency relay has dropped out of pickup.• Voltage Below Over Frequency Blocking Vol

Single point functions6855.2.4.2 SetupTo set the Trip and Alarm settings for the Under Frequency Relay1. On the Main Menu, click User Settings, and th

Single Point Relay protection 695Figure 5-7 Settings for Under Frequency Relay5.2.4.5 UsageEvent loggingWhile the relay is functional, the following e

Contents 75.2.3 Over Frequency Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Single point functions7055.2.5 Phase Loss Relay protectionPhase Loss is an optional relay that is part of the voltage relay package. The Entellisys sy

Single Point Relay protection 7155.2.5.2 SetupTo set the Trip and Alarm settings for the Phase Loss relay1. On the Main Menu, click User Settings, and

Single point functions725Figure 5-8 Phase Loss Relay settingsThe phase rotation is set at the factory and cannot be changed by the user.5.2.5.5 UsageP

Single Point Relay protection 735• Dropout Phase Loss – Phase loss relay has dropped out of pickup.• Voltage Below Phase Loss Blocking Voltage – The v

Single point functions745Delay: Adjust the reverse power delay from 0.1 to 600 seconds in increments of 0.5 seconds from the Time Delay drop-down menu

Single Point Relay protection 7555.2.6.5 UsageThe Reverse Power Relay goes into pickup whenever the direction of power, on any phase, is reversed and

Single point functions7655.2.7.3 Alarm settingsRelay Enabled: Select Enabled to enable the relay.Pickup: Adjust the high current pickup from 50% to 20

Single Point Relay protection 7755.2.8 High Resistance Ground Fault RelayThe Entellisys system provides an optional High Resistance Ground Fault Detec

Single point functions785Figure 5-11 High Resistance GF settings5.2.8.4 UsageThe High Resistance Ground Fault Relay goes into pickup if the ground cur

Synch Check relay 7955.3 Synch Check relayThe Synch Check function is used as a permissive for closed-transition automatic throw-over control schemes.

8 Contents6.0.2 Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Single point functions8055.3.2 SetupTo set the settings for the Synch Check Relay1. On the Main Menu, click User Settings, and then select Control.2.

Synch Check relay 8155.3.2.4 Source 2Dead Bus Threshold: Adjust the threshold below which a phase is considered dead from 5 to 50% of the nominal volt

Single point functions825Figure 5-12 Settings for Synch Check Relay

Synch Check relay 8355.3.3 UsageWhen two voltage source circuit breakers are selected as the two sources for synch check relay, if the differences in

Single point functions8455.3.3.1 Event loggingThe following events are logged for the Synch Check relay:• Synch Check Control Enabled 1…6 – Synch chec

8566 Zones, buses, and topologies6.0.1 Overview6.0.1.1 Zones and busesEntellisys implements Multi-Source Ground Fault (MSGF), Bus Differential (BD), a

Zones, buses, and topologies8666.0.1.2 TopologiesIn Figure 6-1 the bus to which the member circuit breakers of a given zone are connected can be power

8766.0.2.2 Buses, topologies and the Association MatrixIn the system in Figure 6-1, circuit breakers M1, M2, and T1 are topology circuit breakers, sin

Zones, buses, and topologies8866.0.3 UsageThe purpose of configuring the zones, buses, and topologies is to define the system properties for the multi

Bus Differential Relay 8977 Multipoint functions7.1 Bus Differential RelayEntellisys offers optional Bus Differential Relay Protection. The bus differ

Contents 99 Sequence of events, fault reports, and waveform capture records9.1 Event configuration. . . . . . . . . . . . . . . . . . . . . . . . . .

Multipoint functions907The only setting that is not topology specific on the Topology Settings tab is the Trip/Open setting that determines whether th

Bus Differential Relay 9177.1.1.4 Setting up Bus Differential alarmsTo activate an alarm (alarm-only and/or trip) when the Bus Differential Relay of a

Multipoint functions927Figure 7-4 Bus differential alarms setup7.1.2 TroubleshootingBus Differential Setting Change Rejected events are observed in th

Multi-Source Ground-Fault Relay 9377.2 Multi-Source Ground-Fault RelayEntellisys offers optional Multi-Source Ground-Fault Relay Protection. Multi-sou

Multipoint functions9477.2.1 Setup7.2.1.1 User settingsEach Multi-Source Ground-Fault relay (Alarm-Only and Trip) can be enabled or disabled in each z

Multi-Source Ground-Fault Relay 9577.2.1.2 Setting Multi-Source Ground-Fault pickup/delayTo configure pickup and delay settings1. On the Main Menu, cl

Multipoint functions967Figure 7-6 Multi-Source GF user settings for different topologies

Multi-Source Ground-Fault Relay 9777.2.1.3 Setup of Multi-Source Ground-Fault alarmsTo activate an alarm (alarm-only and/or trip) when the Multi-Sourc

Multipoint functions9877.2.2 TroubleshootingMulti-Source Ground Fault Setting Change Rejected events are observed in the Sequence of Events log• Verif

PT Throw-Over 9977.3 PT Throw-OverThe PT Throw-Over changes the voltage source for the metering and relay functions for a circuit breaker, based on ho