SOP for Operation of High Tension (HT) Panel : Pharmaceutical Guidelines

SOP for Operation of High Tension (HT) Panel

Standard operating procedure to operate the high tension panel.

1.0 OBJECTIVE:

      To lay down procedure for operation of high tension (H.T.) panel.

2.0 SCOPE:

      This SOP shall be applicable for H.T.

3.0 RESPONSIBILITY:

      Operator / Officer

4.0 ACCOUNTABILITY:

      HOD Engineering

5.0 PROCEDURE: 

5.1 For Putting ON the Panel

5.1.1 Ensure breaker in its position inside the panel.
5.1.2 Ensure that “TRIP CIRCUIT HEALTHY” indication appears on the panel.
5.1.3 Check incoming voltage between R-Y, Y-B & B-R on the volt meter provided, it should be 10.5 to 11KV.
5.1.4 Close the breaker by turning the rotary switch to “CLOSE” position.
5.1.5 Ensure vacuum circuit breaker is in ON position.
5.1.6 Following indication lamps will glow.
i) BREAKER ON, ii) TRIP CIRCUIT HEALTHY, iii) SPRING CHARGED & iv) SERVICE POSITION.
5.1.7 Close Vacuum Circuit Breaker of transformer 1 by turning rotary switch to CLOSE POSITION.
5.1.8 Close Vacuum Circuit Breaker of Transformer-2 by turning rotory switch to CLOSE POSITION.

5.2 For Putting OFF the Panel

5.2.1 Trip the vacuum circuit breaker of transformer-1 by turning the rotary switch to “TRIP” position.
5.2.2 Breaker will trip and transformer -1will be put OFF.
5.2.3 Trip Incomer circuit beaker of transformer -2 by turning the rotary switch to TRIP position.
5.2.4 Breaker will trip and tansformer-2 will be put OFF.
5.2.5 Trip incomer vacuum circuit breaker by turning the rotary switch to trip position. Entire panel will OFF.

5.3 For Drawing out the Breaker

5.3.1 Trip the circuit breaker, which is to be drawn out.
5.3.2 Open the front door.
5.3.3 Remove metallic plug of control wires from its socket.
5.3.4 Unlock the break by shifting a pin on the right side adjacent to plug.
5.3.5 Draw out the breaker trolley with the help of special key provided.
5.4 For drawing in the breaker
5.5.1 Push the breaker trolley inside as you have taken out.
5.5.2 Lock the pin, which was used to unlock it.
5.5.3 Put the metallic plug of control wires into its socket.
5.5.4 Close the door of the breaker panel.
5.5.5 Breaker is ready to be put on.

Related: SOP for Operation and Maintenance of Low Tension (L.T.) Panels

6.0 ABBREVIATION:

6.1 SOP : Standard Operating Procedure



Ankur Choudhary is India's first professional pharmaceutical blogger, author and founder of Pharmaceutical Guidelines, a widely-read pharmaceutical blog since 2008. Sign-up for the free email updates for your daily dose of pharmaceutical tips.
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