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Chittagong - BPDB

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Figure 2.1<br />

Preliminary Remote Terminal Unit (RTU) Points<br />

The data/controls (viewed from the NLDC) to be exchanged between the Patenga/Mohora or any other Site near to<br />

132/33 kV Halishahar Grid Substation/33 kV Mohora Substation, <strong>Chittagong</strong> Power Station (Facility) and the<br />

NLDC are to include but not be limited to the following:<br />

Load Frequency Control (per Generator):<br />

Analog Inputs<br />

Real power setting<br />

Digital Inputs<br />

Load frequency control on/off switch<br />

Power set on/off switch<br />

Load frequency control unit fault<br />

Digital Outputs<br />

Lower MW set point pulse<br />

Raise MW set point pulse<br />

Analog Outputs<br />

Real power set point<br />

Control and Indication (per Generator)<br />

Analog Inputs<br />

Volts<br />

MegaWatts<br />

Megavars<br />

Amperes<br />

Fuel flow<br />

Digital Inputs<br />

Local/remote switch for generator<br />

Synchronization in progress<br />

Engine trip<br />

Generator trip<br />

Accumulated fuel/water flow (pulse accumulator)<br />

Megawatt hours (pulse accumulator)<br />

Megavar hours (pulse accumulator)<br />

Generator unit stopping<br />

Generator unit available<br />

Generator unit running<br />

Generator unit stopped<br />

Digital Outputs<br />

Circuit breaker close<br />

Circuit breaker open<br />

Analog Outputs<br />

Generator unit start<br />

Generator unit stop<br />

132 kV Power Station Substation<br />

Status of local/remote switches<br />

Status of Disconnectors<br />

Status of earth switches<br />

Status of operated protection relays and alarms<br />

Measured signals voltage, current, power, reactive power for incoming/outgoing circuits<br />

and transformers.<br />

Measured signals voltage and frequency at the bus bars<br />

Transformer tap change control and indication<br />

Open and close control of circuit breakers and motorized isolators<br />

Request for Proposal (<strong>Chittagong</strong> 50±10% MW HFO Fired Project) Page 75

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