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3.3 Operator qualification
Electrical operation personnel must undergo professional training and pass examinations, and electrical
operation shall be carried out by personnel who holding an electrical operation certificate.
In the handover test of transformer, the tester must have the certificate for performing the electrical work and
the test equipment used must have the certificate of calibration.
Electrical workers must be familiar with the knowledge of fire-fighting and first aid, be able to use fire-fighting
appliances and equipment correctly, and be familiar with emergency rescue methods of electric shock..
Operators working at height shall have the qualification certificate of working at high altitudes. Seatbelt should
be fastened in a fixed position when operating at high altitudes.
3. Safety Guidelines
Note:
The Safety Guidelines are not sufficient to cover all site safety conditions and all possible safety conditions. This section aims to help
operators avoid safety accidents as much as possible during operation.
Make sure that no operator performs commissioning or other operations on the transformer body before
power on.
Keep a
safe
distance
At the moment of power on, the operator shall maintain an effective and safe distance from the transformer.
When the transformer needs to be reparied d after tripping or power outage, it is strictly prohibited to repair
the transformer itself immediately. Only after the transformer is grounded and discharged strictly by the
professionals, can it be repaired.
Operators are strictly forbidden to open the door panel of the transformer enclosure (if any) under the power-
on condition to prevent the electric shock.
Operators shall wear safety helmets, labor protection shoes, reflective clothes and other protective articles
when operating on the site. Safety appliances, protective appliances, firefighting equipment and insulating
gloves shall be provided on the site, and regular inspection and test shall be carried out.
It is strictly forbidden for operators to smoke around the transformer.
