2 Supplier list for main components

If there is no otherwise specified, the recommended brands of components used for switchboards are as follows:

Air circuit breakers (ACBs)

Moulded case circuit breakers (MCCBs) Contactors & Thermal over-load relays Instruments & gauges PMS modules

I/O modules (DPUs) for motor starters Motor Control Units (MCUs) for motor starters Voltage transformers Current transformers Auxiliary relays Control fuses Terminal blocks Change-over switches

ABB or Schneider ABB or Schneider ABB or Schneider Deif Kongsberg Kongsberg ABB Moeller Local maker Idec Woehner Phoenix Kraus & Naimer

Push buttons/ signal lamps

Moeller

3 Mode of operation

3.1

Main switchboard

3.1.1 Automatic operation

The automatic functions can be performed by K-Chief 500 Power Management System either integrated or as stand alone system in the switchboard. The Function Description of the PMS to be negotiated additionally.

The following automatic functions are performed by PMS which is configured and furnished in the

main switchboard:

- - - - - - - -

Diesel generator monitoring and control Diesel engine safety protection and start/stop Circuit breaker synchronize & connect Bus line voltage and frequency control Generator voltage and frequency control Generator load limitation in kW and % Symmetric or asymmetric load sharing Load control with load shedding