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Engine Generator Integrated Switchgear (EGIS)

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Engine Generator Integrated Switchgear (EGIS)
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Overview

Caterpillar offers standard paralleling solutions, which can be provided in a wide variety of market applications. The Engine Generator Integrated Switchgear (EGIS) product line provides a standard paralleling system (circuit breakers, bus, and controls) using pre-engineered structures in an integrated controls / switchgear lineup. EGIS allows for operating generator sets in pre-configured Emergency Standby, Prime power and Parallel with Utility configurations. The modular EGIS system utilizes the industry proven Caterpillar EMCP 3.S dedicated controller to perform synchronization, power factor control, load sharing, and system monitoring. The user is able to monitor and control the system through an industrial touchscreen HMI.

Technical Summary

  • Configuration Floor Standing modular switchgear paralleling system (Master Breaker Panel for the first 2 gensets, separate structures for up to 8 additional gensets , utility, and load control/distribution) Floor Standing modular switchgear paralleling system (Master Breaker Panel for the first 2 gensets, separate structures for up to 8 additional gensets , utility, and load control/distribution)
  • Modes of Operation Emergency Standby with redundant master control. Utility paralleling, peak shaving, and closed transition to/from Generator Power (with optional utility control panel) Emergency Standby with redundant master control. Utility paralleling, peak shaving, and closed transition to/from Generator Power (with optional utility control panel)
  • Application LV only (208V - 480V) LV only (208V - 480V)

Generator Protective Devices

  • ANSI Protective Devices 15/25. 27/59, 81 O/U, 32, 40, 90 (Industrial Grade) 15/25. 27/59, 81 O/U, 32, 40, 90 (Industrial Grade)

Utility Protective Devices

  • ANSI Protective Devices (Utility Grade) SR-750 / SEL-351S, 25, 27/59, 81 O/U, 32,47 (Industrial Grade) 15 (Utility Grade) SR-750 / SEL-351S, 25, 27/59, 81 O/U, 32,47 (Industrial Grade) 15

Environmental Parameters

  • Certifications UL891 UL891
  • Control Panel Enclosure NEMA1 NEMA1
  • Operating Temperature 0°C to 55°C 0°C to 55°C
  • Storage Temperature -20°C to 60°C -20°C to 60°C

General Features

  • Automatic Start/Stop
  • Automatic Load and VAR Sharing
  • Automatic “Dead Bus” Coordination
  • Automatic Power Factor Control When in Parallel with Utility Power
  • Programmable Load Shed / Load Add Functions
  • Redundant Master Functionality
  • High Speed Ethernet Supervisory Network
  • Networked Engine Communications
  • Generator and Utility Protection
  • User-Programmable Logic & I/O
  • Password Security System to ensure system security

Engine Generator Integrated Switchgear (EGIS) Standard Equipment

Master Breaker Panel (MBP) for first 2 gensets

  • With electrically operated generator circuit breakers, lugs or cross-bus, and genset controls

12" Graphical Color Touchscreen display (HMI) Instant Auto Selector Switch

  • Allows user to return system to automatic in the event of a touchscreen failure

Spare inputs and outputs

  • 2 discrete inputs and 3 discrete outputs programmable from the HMI

Engine Generator Integrated Switchgear (EGIS) Optional Equipment

Generator Breaker Panel for 1 or 2 incremental gensets (up to 8 additional gensets)

  • With breaker position indications, circuit breaker control switch, generator controller, and user programmable logic I/O

Utility Breaker Panel

  • With closed transition soft transfer and utility control for 1 LV circuit breaker, utility grade protective relay, utility close lockout switch, breaker position indications, and circuit breaker control switch

Supplemental Hardware Synchronization check relay (ANSI 25 Device)

  • Provides additional discrete synchronization protection

Data Table Interface

  • Accomodates interface with a building management system for monitoring all system parameters via Modbus RTU or TCP

Generator Demand Priority Control

  • Automatically match the on-line generator capacity to the loads, and avoid unnecessary operation of generator sets.

Distribution Breaker Panel Slave

  • With I/O module for control of up to 3 circuit breakers
  • Each slave panel contains 3 distribution breakers

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