Home electrical systems Is therefore an important detail that must be planned well from design and construction. In most cases, the house owner will pay attention only that how many plugs in the house do you need to have in order to cover the electrical usage thoroughly? But often, we forget to choose the electrical system to fit the amount of electricity used in the house. Which, if used improperly, may cause subsequent problems such as under-over voltage, over load, power failure all over the house or causing a short circuit. In this article, HomeGuru provides knowledge of Home electrical systems to share in order for readers to choose what is most suitable for use.
We must admit that living in the home, what is indispensable is electricity for use in providing energy to various devices and appliances and while in use, users must expect stability, no fires, no fires, continuous use.
We believe that many people may have heard about the installation of 1-phase and 3-phase electrical systems, but some people may not understand what it is, how important it is to the house and may have questions. For example, if a large house uses 1-phase electricity, should it be better to use 3-phase? Does a small house have to use only 1-phase electricity? HomeGuru will summarize as follows:
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1-phase 2 wire electrical system
The 1-phase electrical system has a voltage meter 220V (volts). There are 2 wires, the power cable (L) and the electric cable (N) connected to the home electrical cabinet (main breaker or called that the consumer unit) is suitable for general households, housing estates, or apartments that are expected to use very little electricity. Most of them will install a 1-phase electrical system because the cost of requesting to install and the equipment is not too high and power covering the use of electrical appliances that can be used in everyday life, such as fluorescent lamps 36 watts 10-20 sets, 1-4 100 watts fans, air conditioners 12,000-20,000 BTU 1-3 units, 1-3 sets of 250 watts TV, 1 3,000 watts washing machine. If this kind of general use, 1 phase electrical system is enough to meet the demand.
3-phase 4 wire electrical system
3-phase electrical system, 220 / 380V voltage meter with 4 wires, 3 wires (L) and 1 electric wire (N), connected to the electrical cabinet. This system will provide more voltage. Therefore, it can support for large houses, commercial buildings, home office, factories or any buildings that need to turn on electrical appliances such as air conditioners Washing machine, refrigerator, electric car battery charger or any electrical equipment with high wattage, power on at the same time.
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For houses that have increased the number of electrical appliances that consume a lot of power, adding later without first planning for support, such as adding electric cars. Add a lot of air conditioner 1-phase electricity meter installed may not be able to support. Resulting in power cut frequent power failure. Assuming that the original electrical system is not enough, you may have to switch to using 3 phase power instead.
The principle of operation of 3-phase electrical systems cannot be directly applied to each lighting system or electrical equipment. But it is a 3-phase electricity distribution divided into 1-phase 3 sets of Home electrical systems and distributed to various points that has electricity is the average power consumption. But in the case of a 1-phase power house, the size cannot be increased to 3-phase. If you want to use electricity that is larger than 30 (100) 3-phase 4-wire amps, you must request to expand the area of installing transformers. There will be systematic steps and costs such as installation and insurance for electricity usage according to the conditions of use. In this regard, installing a 3-phase electrical system is necessary to have an electrician or an electrical engineer who has expertise in load balance to control various electricity phases. That is properly to be effective and may help save electricity bills as well.
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Choosing a 1-phase or 3-phase electrical system, the key point is the electricity consumption. If it is a general house, you can use the 1-phase electrical system comfortably. But if the amount of electricity is more or more than normal houses, considering 3-phase electrical systems would be more efficient to use.
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Can you see that the electrical system selection is very necessary? Before choosing the electricity meter size, it’s best to have an electrical system expert. Calculate the amount of electricity that is used in daily life. Suitable electrical systems that need to be installed or calculated for the near future because if there is an extension, expanding later, will be able to support the usage which does not need to adjust or request for a new fire later.