Megger MT0300 - Safety; Safety Is the Responsibility of the User

AVTMMTO3XX Rev 3 Sept 2013
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Safety
Safety is the responsibility of the user
Only qualified and trained operators should operate the MTO system. Operator
must read and understand this entire Instruction Manual prior to operating the
equipment. Operator must follow the instructions of this Instruction Manual and
attend the equipment while the equipment is in use. In the event of equipment
malfunction, the unit should immediately be de-energized and returned to
Megger for repair.
“The Safety precautions herein are not intended to replace your Company’s
Safety Procedures. Refer to e.g. IEEE 62-1995/IEEE C57.152 and IEEE 510 -
1983, IEEE Recommended Practices for Safety in High-Voltage and High-
Power Testing, for additional information.”
F
WARNING
When applying current to a transformer with very high
inductance, care should be taken not to remove current/voltage
leads while DC current is still flowing. This causes an extremely
high voltage to develop across the point where current is broken.
This voltage could prove to be dangerous to personnel and
equipment.
F
WARNING
It is very important not change De-Energized Tap Changers while
current is still flowing. This can cause excessive voltage arcs
within the transformer and on external terminals.