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I would like to ask if a capacitor compensation is needed in a household?

2009-09-20View Original

Thread Content

Do households need capacitive compensation? What size capacitor is suitable if needed?
Reply #22009-09-21
It’s not necessary. Compensation is intended to improve the power factor of the power supply network, and it has nothing to do with household electricity use. There is a main compensation capacitor bank in the distribution room, and the appropriate number of capacitor banks are used depending on the power factor of the electricity consumption. There are currently scams in some markets where a capacitor is used to deceive people. There is an electricity meter on site, and the scammer inserts the capacitor into the socket to show you that his meter is spinning more slowly; many people fall for this trick. With too many fluorescent lights, the power factor is very low, and there is no need for your household to compensate for it.
Reply #32009-09-23
There aren’t many sensitive household appliances at home, so no compensation is needed
Reply #42009-09-24
The energy consumption associated with reactive power is negligible. The main requirement is related to the capacity of the distribution network, and the electricity meter measures active power consumption. Therefore, home users don’t need any compensation
Reply #52009-09-24
It is likely not necessary to add a capacitor; when wiring, simply use wires of an appropriate larger size to account for household loads.
Reply #62009-10-13
No additional capacitors are needed; some household electrical appliances already take the power factor into account, with high power factors (capacitors are built in).
Reply #72009-10-14
There is no need for capacitor compensation in households; household electricity meters measure active power, and capacitor compensation is provided in the distribution room.
Reply #82009-10-14
I agree with the opinion above; household electricity meters are active power meters, and the reactive power portion is not charged. Moreover, the compensation also needs to be adjusted according to changes in the inductive load; currently, centralized compensation is generally used, with it being installed at the low-voltage main panel. However, I disagree with the statement that \"capacitors are built into electrical appliances on the 6th floor.\" Capacitors built into single-phase electrical appliances are usually phase-split capacitors, which do not serve the purpose of reactive power compensation.
Reply #92009-10-14
In ordinary households, most household appliances are resistive loads (such as lights), which consume active current. Appliances with motors, such as washing machines, are inductive loads that require reactive current; however, their power consumption is low, so centralized compensation at the regional level is sufficient, and there is no need for compensation within the household itself.
Reply #102009-10-15
Households certainly don’t need capacitive compensation. Household loads are generally resistive, and moreover, electrical appliances with high inductance already come equipped with capacitive compensation. Mainly, households are only billed for active power; no charge is imposed for reactive power usage. So, there is no need to add a capacitor for compensation.
Reply #112009-10-15
Household electricity usage does not require capacitive compensation

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