Knowledge of the use of wires and meters in the factory installation

Updated on home 2024-04-12
4 answers
  1. Anonymous users2024-02-07

    1.32 sets * 2kw sets 64kw with 380v electricity.

    The current per phase is about 100A

    2.Lighting, air conditioning, sockets, etc. 10kw with 220V electricity If the power distribution is balanced, each phase is about 15A, if it is only connected to a certain phase, the phase current is about 45A.

    Excuse me : How many A of the total air switch is used for three phases.

    If the three-phase is balanced, use a 160A switch.

    If it is not balanced, use a 200A switch.

    How big is the size of the meter that you want to use with the direct three-phase four-wire method?

    The meter is used with 3 5 (20A), and the current transformer is used with 200 5.

    Three main lines and one neutral line with how big the size.

    With such as with cable, with 3 95 + 50.

    With wire, 75 square meters are used for phase wires and 35 square meters for neutral lines.

    Please explain in detail for thanks! It would be better if it could provide a market price.!

    Copper is expensive again, and the price is hard to say.

  2. Anonymous users2024-02-06

    The main air switch can be used for three-phase and 125A. It's about 100 yuan.

    If you want to use the direct three-phase four-wire method, it is not possible to add a set of current transformers, and the transformer should be about 400 yuan for the electric energy meter (our power supply company, if you are a sub-meter, it will be much cheaper).

    The main power cable is recommended to use VV22 3*35+1*25 (16). Each meter is about 80 yuan, and it is cheaper for manufacturers to buy directly!

  3. Anonymous users2024-02-05

    3 50+25 cables are used for the main line, and the air switch is best 100A! If it's too small, it's always tripping!

  4. Anonymous users2024-02-04

    According to the current policies and business rules, if you are Guangdong Shansou Power Grid Company.

    For customers within the scope of the service, the information required for the application and installation industry is as follows:

    1. Identification information of the electricity user;

    2. Proof of ownership of the property at the electricity address;

    3. Payment information;

    4. If you entrust others to act on your behalf, you need to provide the identity certificate and power of attorney of the agent.

    The required information shall be provided in the original, as well as 1 copy verified by the customer to be consistent with the original and signed, enterprises and institutions.

    The client signs and affixes the official seal in the photocopy. When handling business, resident customers need to sign and confirm on the "electricity business bill", and enterprise and institution customers must affix the official seal on the "trembling electricity business bill".

    Due to the differences in information in different cities, please refer to the staff for specific information or call the 24-hour power supply service **95598 to inquire about the specific situation.

    95598 "Public Platform My Electricity Business Handling Electricity Application Select the type of new business that needs to be handled, and then fill in the basic information and submit it according to the prompts.

    After completing the application for installation, the power supply department will arrange staff to make an appointment with you for on-site service, complete the on-site investigation and collect the information, and then you can install the meter and send electricity.

    We hope you find ours helpful.

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