A Faq; How To Operate A Transformer; Adjusting The Off-Load Tap Changer - Huawei JUPITER-3000K-H1 Smart User Manual

JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
A.1 How to Operate a Transformer
When operating a transformer, ensure that the transformer is in the no-excitation
state, that is, the high and low voltage sides of the transformer are not powered
on.
A.1.1 Adjusting the Off-Load Tap Changer
The off-load tap changer can be used to adjust the transformer output voltage.
When operating a changer, ensure that the transformer is in the no-excitation
state, that is, the high and low voltage sides of the transformer are not powered
on.
When the voltage at the low-voltage side remains unchanged, the output voltages
at the high-voltage side at different levels are as follows:
●
●
●
●
●
Step 1 Adjust the off-load tap changer to the level you need.
Issue 02 (2023-09-30)
NO TICE
Level 1: standard voltage x 1.05
Level 2: standard voltage x 1.025
Level 3: standard voltage
Level 4: standard voltage x 0.975
Level 5: standard voltage x 0.95
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