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If,

Ct value = 50

meter unit = 30

so, 50 x 30 = 1500 kwh

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How would a three phase meter reading compare to three single phase meters connected to the same service?

The reading on the 3-ph meter would equal the sum of the three separate readings on the single-phase meters. The neutral sides of the single phase meters do not need to be connected to the neutral wire as long as they are connected together.


How do you calculate phase voltage of a three phase four wire system?

Phase voltage is determined by the wiring of transformer that serves the building. To test phase voltage use a volt meter and put one probe to ground and the other to each phase and observe the reading, this will give you a phase to ground voltage reading. Next test phase to phase (1 to 2, 1 to 3, and 2 to 3) to see if it's 208, 240, 277, or 480. Only licensed electricians should perform these tests. DAW


Can you use single phase kwh meter for three phase load?

No, a single phase kWh meter is designed to measure the energy consumption of single phase loads only. To measure the energy consumption of a three phase load, you would need a three phase kWh meter specifically designed for that purpose. Using a single phase meter for a three phase load would not provide accurate energy consumption readings.


How do you figure kw in a three phase system?

The watt meter on three phase system is the same as the one on your house except that it monitors all three phases at once. The meter base is called a 7 jaw base which monitors the three phases and the neutral. The house meter is a 5 jaw meter. The watt meter is a totalizer which keeps track to the watts consumed by the dials on the face of the meter, which gets read monthly by the power supplier.


How do you calculate mf in 3 pahse meter?

The multiplication factor (MF) in a three-phase meter is typically calculated by dividing the rated primary current of the current transformer by the maximum current that can be measured by the meter. The formula is MF = Rated Primary Current / Maximum Measurable Current. This factor is used to adjust the meter reading to reflect the actual current flowing in the circuit.

Related Questions

Reverse running of three phase meter?

The reverse running of a three phase meter is possible when one of the meter's two potential coils fails. This is a problem found typically on a Delta service. A three phase meter in this condition is damaged and will report lower energy use than actual.


Which phase is used for a two element kwh meter in a three phase application?

Theoretically, it doesn't really matter which two lines (not phases) are used for the current coils, while the voltage coils must be connected from these two lines to the third.


How do you Calculate MF in 3-Ph 4 wire energy meter?

how to calculate m.f. of energy meter 3 phase 4 wire h.t. & l.t.


How would a three phase meter reading compare to three single phase meters connected to the same service?

The reading on the 3-ph meter would equal the sum of the three separate readings on the single-phase meters. The neutral sides of the single phase meters do not need to be connected to the neutral wire as long as they are connected together.


What will happen if we use current transformer of different rating for each phase in three phase supply?

A current transformer has to have the same ratio as the meter that it drives. Full scale deflection on the meter is 5 amps which equals the maximum allowed current on the phase that it is reading. A different ratio on the CT to meter would show an erroneous reading on the meter depending on the ratio of the connected CT. To keep costs down the meter is common to all three phases and is read by connecting the meter to the phase CT through a three position switch.


How do you calculate the number of turns that are required for the coils of three phase AC motor?

There is software that can be downloaded to help calculate the number of turns for a three phase motor. There are also diagrams which can be found for the most frequently used calculations.


Why three phase meter is better than single phase meter?

A three-phase meter can be used for single phase while the reverse is not the case.


How do you calculate phase voltage of a three phase four wire system?

Phase voltage is determined by the wiring of transformer that serves the building. To test phase voltage use a volt meter and put one probe to ground and the other to each phase and observe the reading, this will give you a phase to ground voltage reading. Next test phase to phase (1 to 2, 1 to 3, and 2 to 3) to see if it's 208, 240, 277, or 480. Only licensed electricians should perform these tests. DAW


What is the use of CT METER?

is 3 phase Meter electicity to for the measurement of elektricity 3 phase.


What is wrong with your single phase electricity meter if it does not show any numbers in the meter reading panel?

One of the conditions that would cause this is that there is no supply voltage to the top of the meter. Another problem could be, the neutral tickler wire has become disconnected.


How can wire up the voltmeter to measure 3 phase supply without rotary switch?

There are only two ways this can be accomplished. The most economical way to measure three phase voltages is with one meter and a rotary switch, that has an off position, to connect the one meter to each of the three phases one at a time. The other approach is to have three volt meters connected to each phase to measure each phase individually. With the three meter approach you will still need a switch in each meter so that the meter can be taken out of the circuit when no reading is needed.


Can you use single phase kwh meter for three phase load?

No, a single phase kWh meter is designed to measure the energy consumption of single phase loads only. To measure the energy consumption of a three phase load, you would need a three phase kWh meter specifically designed for that purpose. Using a single phase meter for a three phase load would not provide accurate energy consumption readings.