Vol D - 1990 (ocr) ELECTRICAL SYSTEM & EQUIPMENT

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FIG. 5.13 Three-phase water cooled generator circuit-breaker showing connection into the generator phase-isolated busbar system

(British Brown-Boveri Ltd)

Ftu. 5.4 Generator circuit-breaker control panel (British Brown-Boveri Ltd)

5.3-=

Fio. 5.15 Cooling water plant (British Brown-Boveri Ltd)

Ikk'

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. .

FIG. 5.18 Air plant control panel (British Brown-Boveri Ltd)

Fic:. 5.29 Typical 3.3 kV switchboard of Rcyrolle manufacture

Ftc. 5.48 3.3 kV switchboard of Reyolle manufacture. The three left hand units are 'fused equipment Class S14A' and the three right hand units are 'air circuit-breakers Class SA'.

Fai_ 5_51 Typical 415 V swilchboare of lilcciro-Mcchaoical Maoulacioring Co inanolatiurc

PLC, 5.69 Switchboard formation of control gear featuring vacuum interrupters in association with !IBC fuse protection for 3.3 kV st.111 iCe

(GEC Industrial Controls Ltd)

Fin. 5.70 Example of control gear featuring vacuum interrupters in association with fiBC fuse protection — for 3.3 kV service, showing the

'demonstration of the circuit earthing switch (GEC Industrial Controls Ltd)

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