Problems with energy meters? Is there a fault in the electricity supply bureau meter?

At present, the maximum current of the electric energy meter design is 100A, obviously the current of 300A, there is no direct access to the meter option (the directly connected electric energy meter is called a direct electric energy meter), so it must be through the current transformer to change the specific current.

There are two kinds of mutual inductance electric energy meters and 3 (6)A, you choose 350 5 or 400 5 transformers, so that your current load of 300A, after the transformer ratio, the actual current of the meter is 5A. Therefore, at this time, both 3(6)a and 3(6)a meters can be used.

In addition: you install a 350 5 transformer, the actual power is: meter degree 70 install 400 5 transformer, the actual power is: meter degree 80

This situation. It is necessary to install a transformer. The electric energy meter with the transformer is all unified, the transformer is selected 400 5, and a friend upstairs said it was wrong. For meters with transformers, you can't choose a 3 (6)A meter, and there is no such model!

In addition, if there are meters, it is recommended to choose a multi-function table. More than 1,000 pieces each. Or 700-800 or so, if you want to save a little, choose 3 mechanical two-way single-phase active energy meters.

Pair it with a reactive power meter (if the total capacity is greater than 100kva). If it's a new account. It is up to the power company to decide how to use these questions.

If your total capacity is greater than 100kva. It is also necessary to install a reactive power meter. Or a multi-function watch will do.

Used to calculate the force rate adjustment fee.

Three-phase energy meter, 300:5 current transformer is selected.

The secondary current of the current transformer is 5A, so the standard configuration is a three-phase meter.

There will be failures, any electrical equipment, due to the use of too long time or the use of environmental reasons will lead to the failure of electrical equipment, the power grid meter is no exception. When the user finds that the meter used is faulty, he should contact the relevant department of the power grid or the local power supply bureau in time.

Contact, the power supply bureau will be ampere.

Personnel come to replace it free of charge, so as to ensure the safety and normal metering of electricity.

Extension: The cause of meter failure, the electricity meter of the power grid is likely to break. This is because:

First, the quality of the meter itself, second, the meter is accidentally damaged during use, third, the user has misoperation in the use of the meter, etc. However, the power supply system of the power grid stipulates that the use of electricity meters should be monitored at any time, and problems should be solved immediately to ensure that the interests of both the supply and consumption are maximized.

According to your description, the calculation of electricity consumption of household appliances is more complicated, involving the power of electrical equipment, the duration of use, the frequency of use, the old and new conditions, etc.; Because we don't know your specific electricity situation, we can't do a preliminary analysis for you.

The reasons for the high power may be:

1. Other high-power equipment in the home is in standby mode for a long time, resulting in power generation;

2. There is a fault in an electrical equipment, which leads to an increase in power consumption under the abnormal working condition of the electrical appliance;

3. Aging and leakage of indoor lines, theft of electricity behind the meter, etc.

Corresponding workaround:

1. Turn off unnecessary electrical equipment;

2. Check whether the indoor electrical equipment is faulty;

3. Entrust a qualified electrician to inspect the indoor circuit to eliminate whether there is theft or leakage.

Note: Professional operation is required.

You can entrust a qualified electrician to check the indoor electricity situation, if the inspection does not belong to the above situation, please call the 24-hour power supply service**95598, the power supply company will arrange an account manager to follow up for you.

This shouldn't be a meter problem, or someone might pick up your store, right? Or, if you turn on something with a high battery, you can go to the next handheld power, which has the degree of electricity used every day, you see.

Today, I learned that the reason for the high electricity bill is that the meter goes fast, but I didn't expect that there are so many doorways in it.

The amount of money available, 250 is for personal use, and 383 is the total amount.

is the electricity consumed, 250 is the remaining power, and 383 is the sum of the two. That is, the total power.

Introduction to electric meters: The abbreviation of electric energy meter is an instrument used to measure electric energy, also known as watt-hour meter, fire meter, electric energy meter, kilowatt-hour meter, which refers to the instrument for measuring various electrical quantities.

Category: Ammeter.

Voltmeter. Peaks, Valleys, Flats Introduction:

It is the data measured by the electric energy meter during these three dust mold completion periods, and the sum of the three is your electricity consumption.

When the meter shows "Total", the data displayed is the amount of electricity in your meter, which is generally the largest amount displayed in your meter.

Of course, the multi-function electronic meter or smart electric energy meter will also display other data, such as forward and reverse reactive power, maximum demand, time, meter barcode number, etc., you must see the Chinese characters at the top of the display screen before you send Qin reading.

Energy meter (watt-hour meter): A meter that measures the amount of electrical energy consumed by an electrical appliance. 1 kWh 1 kWh 1000 watts 3600 seconds = joules.

For example, how many hours can 1 kWh of electricity make two "220V, 40W" lights work?

Solution t w p 1 kWh (2 40 watts) 1000 watt hours 80 watts = hours.

The speed of the electric energy meter is related to the power of the electric appliance, the more powerful the electrical appliance is working, the faster the disc of the electric energy meter will rotate.

Significance of important parameters:

1. "220V" - means that the energy meter should be used in the circuit of 220V.

2. "10 (20A)" - means that the calibration current of this ruler-type Youneng meter is 10A, and the rated maximum current is 20A (where 20A is not the maximum current allowed in a short period of time but the rated maximum current).

3. "50Hz" - means that it is used in 50Hz AC circuit.

4. "600revs kw·h" - means that for every 1 kilowatt-hour of electrical energy consumed, the turntable on the energy meter Linghuai turns 600 times.

It is calculated according to the number of revolutions rotated by the turntable of the energy meter. If the energy meter is marked with "600revs kw·h", when the turntable turns n times, the energy consumed is w=nr 600r kw·h=n 600.

Energy meter (watt-hour meter): A meter that measures the amount of electrical energy consumed by an electrical appliance. 1 kWh 1 kWh 1000 watts 3600 seconds = joules.

For example, how many hours can 1 kWh of electricity make two "220V, 40W" lights work?

Solution t w p 1 kWh (2 40 watts) 1000 watt hours 80 watts = hours.

The speed of the energy meter is related to the power of the consumer, the more powerful the electrical appliance is working, the faster the disk of the energy meter rotates.

Significance of important parameters:

1. "220V" - means that the energy meter should be used in the circuit of 220V.

2. "10 (20A)" - means that the calibrated current of this electric energy meter is 10A, and the rated maximum current is 20A (where 20A is not the maximum current allowed in a short period of time but the rated maximum current).

3. "50Hz" - means that it is used in 50Hz AC circuit.

4. "600revs kw·h" - means that for every 1 kilowatt-hour of electrical energy consumed, the turntable on the energy meter turns 600 times.

It is calculated according to the number of revolutions rotated by the turntable of the energy meter. If the energy meter is marked with "600revs kw·h", when the turntable turns n times, the energy consumed is w=nr 600r kw·h=n 600.

Categories: Life >> common sense of life.

Problem description: I want to ask everyone: I suspect that there is a problem with my home appliance meter, yesterday the electricity bureau came to check the meter, I gave him an example to illustrate, talk about burying my home appliance meter super fast (the neighbor girl is also this feeling), the staff's explanation is that other people's home is the old code key meter, go inaccurate, our community uses the electronic version, so it is very sensitive!

Is there any way to detect whether the meter is accurate?

Analysis: Method 1: Ask the power supply bureau to use an on-site calibrator to check whether your meter's meter is qualified. Chi Shiqiao.

Method 2: Remove the meter and send it to the meter calibration class of the power supply bureau to verify whether the meter is qualified.

Method 3: Install another meter on the power supply of the household, record the bottom of the meter at the same time, check it again after a week, if there is a problem, report to the customer service center of the power company (95598), ask to change the meter, and return the electricity. If there are no problems, check your home's wiring and appliances for faulty or leaky areas.

With the big cousin-in-law - the senior manager, he is certainly a professional, just like me.

Method 4: If you are in Xi'an, I can help you in your free time, xiaolinsong@sina

According to your description, the calculation of household electricity consumption is more complicated, involving the power of electrical equipment, the duration of use, the frequency of use, the old and new conditions, etc.; If you have any questions about your electricity bill, we recommend that you check whether any of the following conditions are occurring in your home

1. High-power equipment at home, such as electric water heaters, and air conditioners are in standby mode for a long time, resulting in electricity generation.

2. There is a fault in a certain electrical equipment, resulting in an increase in power consumption;

3. There is electricity theft and leakage behind the meter.

Corresponding workaround:

1. Turn off unnecessary electrical equipment;

2. Contact the manufacturer of electrical equipment to repair the faulty equipment;

3. Entrust a qualified electrician or construction unit to inspect the indoor circuit.

If you have checked that this does not belong to the above situation, it is recommended to call the 24-hour power supply service**95598, and the power supply department will arrange an account manager to follow up for you.

We hope you find ours helpful.