Job Recruitment Website - Property management company - How to calculate the electricity consumption of the company to open a shop? 380V electrical equipment is 30 kW, and 220 V electrical equipment is 70KW. How to give the property how many kilowatts of e
How to calculate the electricity consumption of the company to open a shop? 380V electrical equipment is 30 kW, and 220 V electrical equipment is 70KW. How to give the property how many kilowatts of e
How to calculate the electricity consumption of the company to open a shop? 380V electrical equipment is 30 kW, and 220 V electrical equipment is 70KW. How to give the property how many kilowatts of electricity?
1 and 380V are three phases, P= root 3UIcosA = 0.9, and it is concluded that the current needs 51a.
2. If 220V is single-phase, similarly, P=UIcosA current needs 353A.
3. The main line must be tn-s, with power 100KW and current of about 200A, so leave some margin!
The power quoted to the property must be 100KW, depending on your plan, whether it is necessary to leave a margin, and it can be upgraded later!
Main line incoming: 75mm is enough.
16mm with 380V branch line is enough.
Divide the power of 220v into three fire lines, each fire line is divided into 23kw, and the fire line is 25mm!
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