Meter field testing and installation practices, Electrical Engineering

Meter Field Testing and Installation Practices

Here, we discuss the installation, commissioning and field testing of meters.

Energy Meters - Installation and Commissioning

The meters are linked before the consumer's isolating device (Main Switch) that might be a moulded case miniature circuit breaker, circuit breaker, or an ironclad switch fuse unit. At the time of commissioning, every meter is tested at site through the owner. A reference standard meter of 0.2 classes or better is used for testing.

Supply Side Wiring

The supply side wiring is the responsibility of the utility and the subsequent must be ensured although carrying it out:

a) The supply wires given are of suitable rating.

b) In case of more than one meter on one service line, it is preferable to use bus-bars. While a number of meters are linked to single distributing mains for registering electricity supplied to various consumer loads, separate service lines - phase(s) and neutral, are used for every meter. Each independently metered consumer load is directly linked to distributing mains by its meter connected in specified phase sequence so as to meet accuracy requirements of relevant standard.

c) The supply wire is properly terminated.

d) The connection is as per links diagram mentioned on meter.

e) Utility should use its own earthing for its devices.

Utility gives phase and neutral supply to the consumers. The neutral is used for carrying return current only. The neutral of one consumer should not be linked to other consumers who have independent and separate supply connection. Utility provides separate neutral to every consumer up the metering point and similar is used through the consumer. The consumer ensures in which all the correct wiring practices are followed and neutral is not looped along with another consumer or meters in the similar premises.  Consumer should not earth the neutral after the metering point. While there are multiple meter installations, bus bar arrangement is used for neutral, so that looping is prevented.

Posted Date: 2/6/2013 8:08:25 AM | Location : United States







Related Discussions:- Meter field testing and installation practices, Assignment Help, Ask Question on Meter field testing and installation practices, Get Answer, Expert's Help, Meter field testing and installation practices Discussions

Write discussion on Meter field testing and installation practices
Your posts are moderated
Related Questions
Define the second group of 32 ASCII character codes? The second group of 32 ASCII character codes include various punctuation symbols, special characters, and the numeric digit

Give the properties and application of bronze. Bronze : It is alloy of copper and tin. This alloy is very brittle and hard. Its corrosion resistance is better than brass. Bron

Q. Show the Decimal to Hex Conversion? To convert the decimal to the hex is slightly more difficult. The usual method to convert from decimal to hex is repeated division by 16.

conclusion about electrical engireng??


Q. Classify switching systems. In what way is stored program control superior to hard wired control? Ans: Classifications of switching systems are givenin block diagram belo

Complete the timing diagram of Figure of an SR latch.

Q. A diode is connected in series with a voltage source of 5 V and a resistance of 1 k. The diode's saturation current is given to be 10 -12 A and the I-V curve is shown in Find

Registers Various  registers  shown in figure  are discussed  below  in detail.

what is the difference between statically and dynamically induced emf?