Answer / mohd. karim

types of X-mission Line

0Km-80KM Short X-mission LIne
81Km-200KM Medium X-mission Line
201KM-800KM Long x-Mission Line
Above 800Km Extra Long X-mission Line

Answer / shinyvikram ganji

LINE ABOVE 800KM LONG GENERALLY FALLS UNDER LONG
TRANSMISSION

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1 Answers  

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

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I have a 25kVA three phase transformer on our property. Will this transformer be large enough to run a large home with swimming pool, spa, 2 off full size reverse cycle air conditioners to service a 100 square house (10,000 square feet or 930 square metres)and the general power consumption of this house without upgrading to a 63kVA transformer.

1 Answers  

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