What is the tipical Online UPS input voltage for 20 KVA load
( 3 Phase or 1 Phase )?
Why ? Explain it...?
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wow to calculate the transformer rating(KVA)
What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)
why compound generator is used in generating station?
why we have to do tan delta test of the transformer oil???
Explain cos(theta) and Sin(theta)
WHAT IS REACTIVE POWER?
In 400KV Switchyard, we have used Circuit Breaker With PIR, what is the significance of PIR & why they'r used?
y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..
battery spicgravity mesuserd?
what is tpdt
what is the maximum rating(KVA) of transformer can be used in distribution side..(11KV/440v) and why??
what is the responsibilities of electrical project engineer?
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