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Archive: Category «Testing and Commissioning»

Erection procedure for HV switchgear (Part 1)

Before commencing erection of HV switchgear check that all connections are tight on busbars and on main circuits as well as auxiliary circuits. Examine the insulation very carefully, because there have been reported cases of… Read more

Apr 29, 2013 | Edvard

Erection procedure for HV switchgear

Testing and Commissioning of MV/HV Cables

Compare cable data with drawings and specifications. Inspect exposed sections of cables for physical damage. Inspect bolted electrical connections for high resistance using one or more of the following methods: Use of a low-resistance ohmmeter in… Read more

Jan 12, 2013 | Edvard

Testing and Commissioning of MV/HV Cables

Testing and Commissioning of Substation DC System

Power substation DC system consists of battery charger and battery. This is to verify the condition of battery and battery charger and commissioning of them. Following instruments will be used for testing: Multimeter. (Learn how… Read more

Jan 09, 2013 | Edvard

Testing and Commissioning of Substation DC System

Inspection and Test Procedures for Metal-Enclosed Busways

Visual and Mechanical Inspection Electrical Tests Test Values Test Values – Visual and Mechanical Test Values – Electrical Tables: TABLE 100.12 – US Standard Fasteners Bolt-Torque Values for Electrical Connections TABLE 100.1 – Insulation Resistance… Read more

Dec 22, 2012 | Edvard

Inspection and Test Procedures for Metal-Enclosed Busways

Inspection and Test Procedures for LV Cables

Visual and Mechanical Inspection Electrical Tests Test Values TABLE 100.12 – US Standard Fasteners – Bolt-Torque Values for Electrical Connections Compare cable data with drawings and specifications. Inspect exposed sections of cables for physical damage… Read more

Nov 27, 2012 | Edvard

Inspection and Test Procedures for LV Cables

Measurement of insulation resistance (IR) – 2

Continued from first part: Measurement of insulation resistance (IR) – Part 1 1. IR Values For Electrical Apparatus & Systems 2. IR Value for Transformer 3. IR Value for Tap Changer 4. IR Value for Electric… Read more

Apr 29, 2012 | jiguparmar

Fluke insulation resistance tester up to 10kV

Measurement of insulation resistance (IR)

The measurement of insulation resistance is a common routine test performed on all types of electrical wires and cables. As a production test, this test is often used as a customer acceptance test, with minimum… Read more

Apr 28, 2012 | jiguparmar

Megger MIT1020 10-kV insulation resistance testers are all designed specifically to assist the user with the testing and maintenance of high voltage equipment

Erection Procedures For Medium Voltage Switchgear

Before commencing erection of medium voltage (MV) switchgear check that all connections are tight on busbars and on main and auxiliary circuits. Examine the insulation carefully, because there have been cases of burned out connections… Read more

Apr 03, 2012 | Edvard

Erection of ABB's Unigear medium voltage switchgear

Megger Insulation Resistance Test

As you know good insulation has high resistance and poor insulation relatively low resistance. The actual resistance values can be higher or lower, depending upon such factors as the temperature or moisture content of the… Read more

Mar 13, 2012 | Edvard

Megger Insulation Resistance Test


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