Protection Engineering Basics and Schemes Protection Engineering | Page 155

 You can also view the injected current values on
Relay front panel
It is not necessary that your test kit is operate via
software, like sverker 750/760 in which you just need to
make connection and execute test directly, but remember
software make work easy , safe and more efficient.
5.4.2 Drop Off Test:
 When test perform successfully , you can DE energize
relay with help of Test kit, we will put test kit
injection current value back to Zero manually or via
software, you can observe relay Yellow Light
indication of Trip/pick up will vanish
 Check zero voltage status, after which you can
handed it back to concern authorized engineer or
worker
5.4.3 Pickup/Drop off Test:
It is the combination of Pick up and Drop off Test,
executed at the same time, and values are noted. Same
Pick up Test connections will be used.
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