GE Entellisys 4.0 Application Manual

Low-voltage switchgear

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Low-Voltage Switchgear
Low-Voltage Switchgear
Application Guide
Application Guide
4.0
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Summary of Contents for GE Entellisys 4.0

  • Page 1 ™ ™ Entellisys Entellisys Entellisys Entellisys ™ ™ Low-Voltage Switchgear Low-Voltage Switchgear Application Guide Application Guide...
  • Page 2 Contents Contents S S e e c c t t i i o o n n P P a a g g e e I I n n t t r r o o d d u u c c t t i i o o n n G G e e n n e e r r a a l l D D e e s s c c r r i i p p t t i i o o n n S S y y s s t t e e m m A A r r c c h h i i t t e e c c t t u u r r e e M M i i n n i i m m i i z z i i n n g g P P o o t t e e n n t t i i a a l l E E x x p p o o s s u u r r e e t t o o A A r r c c F F l l a a s s h h E E n n e e r r g g y y...
  • Page 3 ™ ™ Entellisys Entellisys Low-Voltage Switchgear Low-Voltage Switchgear Section 1. Section 1. Introductio Introduction n Since electricity was first harnessed, protecting circuits against faults and Since electricity was first harnessed, protecting circuits against faults and overloads has been a persistent challenge. Circuit protection technology has overloads has been a persistent challenge.
  • Page 4 Notes...
  • Page 5: Section 2. General Description

    15% power factor and 635v experience in all types of switchgear environments. AC maximum. Entellisys low-voltage switchgear is available with GE’s Entellisys low-voltage switchgear can help you the following maximum nominal ratings: meet today’s challenges for greater productivity, increased operator safety, and improved equipment •...
  • Page 6 Notes...
  • Page 7: Section 3. System Architecture

    Section 3. System Architecture All remote communications takes place at the HMI Metering functions, system-wide waveform capture level and has no impact on the performance of the and most protection can be easily changed with closed internal communications level between the software upgrades to the CPUs, requiring no EntelliGuard Messengers and the central processing additional hardware.
  • Page 8 Notes...
  • Page 9 Entellisys Low-Voltage Switchgear Section 4. Minimizing Potential Exposure to Arc Flash Energy This section addresses the ownership and operation cubicles and the rear bus and cable compartments of Entellisys low-voltage switchgear for maximum minimizes the probability of transmission of an reliability and minimal arc flash risk.
  • Page 10 Section 5. EntelliGuard Breaker Section 5. EntelliGuard Breaker normally open and one normally closed contact. normally open and one normally closed contact. is properly engaged. Status of the secondary is properly engaged. Status of the secondary The position switch is used to indicate the drawout The position switch is used to indicate the drawout disconnect (Connected or Disconnected) is shown disconnect (Connected or Disconnected) is shown...
  • Page 11 Section 5. EntelliGuard Breaker Section 5. EntelliGuard Breaker current limiting fuses), operation (manual current limiting fuses), operation (manual or electrical), or electrical), Electrically operated breakers include spring Electrically operated breakers include spring and accessories. Figure 5.2 provides the and accessories. Figure 5.2 provides the development development charging motor, close coil with anti-pump circuit, charging motor, close coil with anti-pump circuit,...
  • Page 12 Section 5. EntelliGuard Breaker Section 5. EntelliGuard Breaker Figure 5.3 Figure 5.3 Wiring Diagram Wiring Diagram...
  • Page 13 Section 5. EntelliGuard Breaker Table 5.2 Allowable Current Limiting Fuse Sizes for EntelliGuard Breakers Breaker Frame Sensor Messenger Current Ferraz-Shawmut Fuse Range Type Size Rating Setting Switch Below 150A 150A 150A 300/350/400/450/500/600/ 800*/1000*/1200*/1600*A 225A 300A EGF-08 800A 400/450/500/600/800*/1000*/ 400A 400A 1200/1600*A 600A 600/800*/1000*/1200/1600*A...
  • Page 14 Entellisys Low-Voltage Switchgear Section 6. EntelliGuard Messenger The EntelliGuard Messenger (see Figure 6.1) is • Locator LED . Positioned at the left end of the LED located above each circuit breaker cubicle and array, the blue Locator LED is used for programming provides the interface between the CPUs and the the system and breaker control functions.
  • Page 15 Section 6. EntelliGuard Messenger directly into a Messenger’s A/D converter via the with the programmed settings running in the CPUs. Test Port connector. The test kit can change the waveform characteristics of the sinusoidal signals Compared to traditional low voltage circuit protection, to test the different overcurrent and protective the self-powered mode is similar to having a relay functions for each circuit breaker.
  • Page 16 It offers overcurrent protection using up and defining the exact protective levels you need traditional inverse-time characteristics, plus single- are described in the appropriate GE Entellisys point relay protection, such as under- and instruction book. overvoltage protection. All of this protection is...
  • Page 17 Section 7. Protection Section 7. Protection current sensors are required; Entellisys uses the current sensors are required; Entellisys uses the preferable to set the tie at tier 1 and the mains at preferable to set the tie at tier 1 and the mains at same current sensors that are provided in each same current sensors that are provided in each tier 0 to achieve tie to main selectivity.
  • Page 18 GE’s unique tection with no sacrifice in selectivity. GE’s unique by 100ms per tier above the tier in which the fault...
  • Page 19 Section 7. Protection Section 7. Protection 2. 2. Enable o Enable or di r disable sable for TRIP for TRIP or or OPEN OPEN to to enable enable the calculations need not take into account the the calculations need not take into account the or disable the protection action selected in or disable the protection action selected in phase angle between voltage and current, and...
  • Page 20 Section 7. Protection system the rms phase-to-phase voltage is used. The Voltage Protective Relays, High Current Alarm The Entellisys protection system provides for the relay has the following capabilities and characteristics: following additional optional voltage-related • Fixed and inverse time curves protective functions: •...
  • Page 21 Section 7. Protection increments of 0.5 seconds Phase-loss relay The phase-loss relay function has the following • Pickup accuracy is ±0.1 Hz characteristics: • Trip-time accuracy is ±0.1 seconds • May be blocked by enabling the blocking voltage, • Pickup is at 8–50% of the nominal voltage, fixed at 5%.
  • Page 22 Section 7. Protection voltages used for each synch check function are sources have equal programmed PT primary voltage fixed when they are selected. and configuration (delta or wye). If both parameters are not the same for both sources, the CPU logs For each synch check function the following settings an event and disables that synch check function.
  • Page 23 Entellisys Low-Voltage Switchgear Section 8. Metering Entellisys meets metering requirements for a wide All metering data in the basic and optional levels variety of customer needs, including: can be viewed by clicking on the circuit breaker of  interest in the one-line diagram, which displays a •...
  • Page 24 Section 9. Events and Diagnostics associated with the event will be available. To view • Event Log Size – This specifies the maximum size either of these, highlight the event and click on of the daily log. either the View Fault Data or Waveform button at •...
  • Page 25 Section 9. Events and Diagnostics operate for both the trip function and the alarm and associated with an overcurrent event. The date function) and time of the waveform capture are displayed • The Force Trigger button at the HMI is pressed at the top of the screen.
  • Page 26 Section 9. Events and Diagnostics positions on the analog waveform chart to determine Phase waveform magnitudes that are grouped values at any time during the recorded event. within the same group heading are displayed in Thus, if you want to see the decline in fault current relation to each of the other signals in their group.
  • Page 27 Up An optional notification service notifies GE Service, to 24 different alarms can be located on the screen. allowing them to respond with assistance.
  • Page 28 Entellisys Low-Voltage Switchgear Section 12. EntelliGuard Preventative Maintenance Entellisys tracks the data needed to manage transitions that occur with no load (less than 1% of  preventative maintenance items. Circuit breaker rated current) for each EntelliGuard circuit breaker. transition counters, life calculations, run hours of  operation, and last-operation date stamping all aid Total Load Operations in maintaining and servicing the Entellisys system.
  • Page 29 Section 12. EntelliGuard Preventative Maintenance Percent Mechanical Life Hours of Operation Entellisys updates the fraction of mechanical life used Entellisys records the date and time that a circuit on each EntelliGuard circuit breaker every time the breaker was initially energized and displays the breaker transitions from closed to open.
  • Page 30 Entellisys Low-Voltage Switchgear Section 13. User Interface – HMI The touchscreen Human-Machine Interface (HMI) is Each user is assigned a password by the system a window into the Entellisys system. All protection, administrator (the person at the user’s facility with monitoring, and control is performed by the central Entellisys system responsibility).
  • Page 31 Section 13. User Interface – HMI Touching any of the circuit breaker symbols on you can turn on the locator LED for 10 or 30 seconds. the one-line displays that circuit breaker ’s status This causes the blue Locator LED on the corre- screen, as illustrated in Figure 13.4.
  • Page 32 Section 13. User Interface – HMI As illustrated, an operator can use the circuit The second row of buttons provides additional breaker status screen to easily navigate to metering, shortcuts to commonly accessed screens or a breaker status and protection information and also quick status indication.
  • Page 33 Section 13. User Interface – HMI System health, alarm status, and events are dis- right side of the screen. You can scroll to different cussed in detail in Section 9. The Reduced Let- days using the arrow buttons at the bottom of the Through button indicates if this mode is enabled screen.
  • Page 34 Section 16. Layout and Sizing Entellisys Sample Layout 92” BUSWAY ABOVE= BUSWAY ABOVE= DIGITAL I/O FRONT POSITION FRONT POSITION 800- 800- 800- 800- CPU'S 1600A 1600A 1600A 1600A 14" NETWORK SWITCHES Upper Bus 800- 800- 800- 800- 3200- 3200- MAIN MAIN 2000A 2000A...
  • Page 35 Section 16. Layout and Sizing Entellisys 22” Sections (Main, Tie) BUSWAY CONNECTION OUTGOING FEEDER CABLE CONNECTION INCOMING CABLE CONNECTION (OTHER THAN FEEDER BRE AKER) ** MID (CENTER) BUS LEVEL IS NOT AVAILABLE AT 5000A (USE ONLY UPPER OR LOWER BUS LEVELS) 92”...
  • Page 36 Section 16. Layout and Sizing Entellisys 22” Sections (Main, Tie, Feeder) BUSWAY CONNECTION OUTGOING FEEDER CABLE CONNECTION INCOMING CABLE CONNECTION (OTHER THAN FEEDER BREAKER) ** MID (CENTER) BUS LEVEL IS NOT AVAILABLE AT 5000A (USE ONLY UPPER OR LOWER BUS LEVELS) 92”...
  • Page 37 Section 16. Layout and Sizing Entellisys 22” Sections (Feeder, Transformer Transition) BUSWAY CONNECTION OUTGOING FEEDER CABLE CONNECTION INCOMING CABLE CONNECTION (OTHER THAN FEEDER BRE AKER) ** MID (CENTER) BUS LEVEL IS NOT AVAILABLE AT 5000A (USE ONLY UPPER OR LOWER BUS LEVELS) 92”...
  • Page 38 Notes...
  • Page 39 Entellisys Low-Voltage Switchgear Appendix D. Time Current Curves...
  • Page 40: Appendix D. Time Current Curves

    Appendix D. Time Current Curves...
  • Page 41 Appendix D. Time Current Curves...
  • Page 42 Notes...
  • Page 43 GE Consumer & Industrial Electrical Distribution Switchgear Equipment...