1- LT Panel checklist:

LT panel checklist is a observation type checklist where the all equipment of LT panel is inspected visibly. Status of all parts and efficiency are noted down in checklist. Here some points are focused as a input voltage status, load, power factor, measuring meters and protection relay.

2- Transformer checklist format :

3- Checkpoints of LT panel checklist. :

Different types checkpoints are executed on the transformer during daily check which below mentioned.

• Input voltage.
• Power factor relay controller.
• Check all feeders output current.
• Abnormal sound in LT panel.
• auxiliary power supply status.
• DG incomer control panel.
• Check any error in Measuring meters.
• Check any fault in protection relay.
• Check all indicators.
• Check visibly any hot spot or heat thimble in panel.

4- Observation according checklist :

First of all we should check abnormal sound, power factor value. Check critical feeders load according capacity like as UPS, Server etc. LT panel circuit breaker should be working condition. All supported equipment like as meter,indicators, selector switch, protection relay should be check visibly if any err found then find out.

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