Friday, 27 May 2016

Influence Of Electric Field and Clearances In EHV AIS Substation

This article is continued from: Clearance Requirements In EHV AIS Substation You MUST Respect Allowable Electric Field Bus is also governed. Read more

Sunday, 22 May 2016

What would be the best solution for urban supply networks – AIS or GIS system?

Saving in investment and operating costs This technical analysis was carried out by ABB to show that for urban supply networks. Read more

Thursday, 19 May 2016

Shielding and Grounding Practices for Control Cables in EHV Substations

Shielding and Grounding Importance For several years, the increased application of solid-state devices for protective relaying and control and for. Read more

Tuesday, 17 May 2016

Do's and Don'ts When Measuring Insulation Resistance Of A Transformer

Insulation Resistance Measurement This test is performed at or above rated voltage to determine if there are low resistance paths. Read more

Friday, 13 May 2016

Why Good Care Of Overcurrent Protective Devices Really Matter

Bad selection or bad maintenance… Whether in the design or maintenance of an electrical system, hazards exist if the proper. Read more

Wednesday, 11 May 2016

General Requirements For Operation and Maintenance Of Battery Cells

Primary battery cells Primary battery cells cannot be recharged and once their energy is depleted they should be disposed off in the manner recommended by the manufacturer. The cells should be examined occasionally during their life for signs of leakage or physical deformation. IMPORTANT! Chemical hazards can arise if batteries are misused or abused and […]

Saturday, 7 May 2016

Every car has it – The Lundell generator with claw-pole rotor

Lundell generator (alternator) Increasing comfort and safety in cars, trucks, and buses driven by combustion engines require more installed electric power on board. As of now, the Lundell generator (claw-pole rotor generator) is the only type of automotive generator used in industry, with total powers per unit up to 5 kW and speeds up to 18,000 rpm. […]