Test schedule - meter testing, Electrical Engineering

Assignment Help:

Test Schedule - Meter Testing

The test schedule as per the Central Electricity Authority Regulations on Installation and Operation of Meters is given below.

Table: Test Schedule

Meter Type

Schedule

Single Phase LT meters

Once in 5 years after installation

LT three phase meters (CT operated) 20 kVA to 100 kVA

Once in a year to be checked since these are installed for high value consumers

Other LT metering systems

Once in two years after installation

EHT / HT meters

Below 5 MVA - Once in a year
5 to 10 MVA - Once in six months
above 10 MVA - Once in a quarter

The testing schedule for HT consumers should cover the whole Metering System involving CTs, PTs and Pilot Wire. Detailed ratio testing of CT, PT and control Pilot/ wires is to be completed. Testing by mobile vans/mobile cubicles through secondary injections kit and phantom loading might also be carried out through Measurement Unit. All new meters should meet the needs of Accuracy Class spelt out in Table.

                                                   Table: Requirements of Accuracy Class

Type of Consumer

Overall Accuracy Class

EHT Consumers (33 kV)

0.2

HT Consumer (44 to 33 kV)

0.5 or better

LT Consumer (Whole Current meters)

1.0 or better

LT Consumers (CT operated)

1.0 or better

 


Related Discussions:- Test schedule - meter testing

MATLAB, Future scope on MATLAB in India

Future scope on MATLAB in India

Limitor, What is limitor.. how it works

What is limitor.. how it works

What is meant by cross-compiler, Ans) A program runs on one machine and imp...

Ans) A program runs on one machine and implements on another is known as cross-compiler Programs which compile on One Machine and implements on another machine is known cross

Matlab, to design wheatstone bridge

to design wheatstone bridge

General purpose registers, General  Purpose  Registers Registers B, C...

General  Purpose  Registers Registers B, C ,D, E H , and L   are 8 bit  general  purpose  registers. These  registers store  8 bit  data  temporarily  for processing. Some

Revenue loss due to loss of opportunity to serve, Revenue Loss Due to Loss ...

Revenue Loss Due to Loss of Opportunity to Serve The revenue loss because of "loss of opportunity to serve" is a extremely relevant but less visible aspect of revenue loss. Gu

Circuits, Circuits Typical  electronics circuits  are created  out  of...

Circuits Typical  electronics circuits  are created  out  of a basis  set of primitive elements such  as capacitors, voltage sources,  resistors,  transistors and inductors. T

Specific core indicators method, Specific Core Indicators Method This ...

Specific Core Indicators Method This technique emphasizes to assign the responsibility and create the accountability. It is possible in which for any of the main indicators, t

Measurement of frequency by wein''s bridge, Q.  Explain the measurement of...

Q.  Explain the measurement of frequency in detail by using Wein's bridge. Sol. The Wein's bridge is presented here not only for its use as an AC bridge to measure frequency

Biasing, Biasing: Bipolar transistor amplifiers have to be properly bi...

Biasing: Bipolar transistor amplifiers have to be properly biased to operate properly. In circuits made up with individual devices (discrete circuits), biasing networks contai

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd