What is the specification of single phase energy meter?

What is the specification of single phase energy meter?

3.1 Voltage Ratings 240 volt (P-N), +20% to -40% Vref, however the meter should withstand the maximum system voltage i.e. 440 volts continuously. 3.2 Current Ratings 10-60 amp with 120 % overload capacity 3.3 Starting current 0.2 % of Ib 3.4 Accuracy Class 1.0 as per IS 13779:1999 3.5 Display I.

What is single phase kWh Meter?

A single-phase power meter requires the electrical power calculation that measures accurate power consumption from current, voltage and clock information, and the clock function that operates on a battery when there is a power outage. The power meter must have stable operation during a specified period of time.

What is the meaning of 800 IMP kWh?

Imp/kWh is short for Impressions per kWh (unit) of electricity which passes through the meter where one ‘impression’ is a brief flash of an LED. The majority of meters are labelled 1000 Imp/kWh which means that the LED will flash 1000 times for each kWh of electricty which passes through.

How does a single phase energy meter work?

The basic working of Single phase induction type Energy Meter is only focused on two mechanisms: Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. Mechanism of counting and displaying the amount of energy transferred.

How much load can a single phase meter?

There is a limit to the load that a single phase can handle and typically that number is set to 7.5 kW (or 7500 watts or 10 Horse Power) (but varies from state to state).

Why aluminium disc is used in energy meter?

The rotating disc in an energy meter is made of a non-magnetic material. e.g. Aluminium, copper, etc. For making the disc, Aluminium is preferred over copper as resistance per unit weight of Aluminium is smaller than copper.

What is the meaning of 3200 IMP kWh?

(In most meters it is 3200 imp. / KWh). This indicates the pulse rate of LED if 1000 Watts / second is consumed in 1 hour.

How many types of single phase energy meter are there?

Basically three types of energy meters are present. It consists of rotating aluminum disc mounted on a spindle between two electro magnets. Speed of rotation of disc is proportional to the power and this power is integrated by the use of counter mechanism and gear trains.

What does 1600 IMP kWh mean?

Once that is done, say you set it up for 1600 imp/kWh, this means that every 1600 impulses corresponds to 1 kWh of energy consumption measured by the meter.

Why brake magnet is used in energy meter?

A “Brake magnet” produces a controlling torque on the disc, which has no pointer, as an energy meter is an integrating instrument and the disc has to rotate continuously so long the meter remains connected in the circuit.

Which material is used for making disc in energy meter?

The components of this system are two silicon steel laminated electromagnet.

What is the meaning of 3200 IMP KWh?

How do you convert IMP to KWh?

For the rarer 800 imp/kWh meters, use kW = 4.5 / seconds per flash (or 0.075*BPM)….Converting “1000 imp/kWh” to watts.

How much power can a single phase take?

In a single-phase power supply system, the voltage may reach up to 230 Volts. But on a three-phase connection, it can carry a voltage of up to 415 Volts. For smooth flow of electricity on a single-phase connection, it requires two separate wires.