Tips For Successful Energy Efficiency Of Centrifugal Water Chillers

Centrifugal water chillers comprise a significant portion of industrial and large commercial electrical load. These machines are efficient, typically producing a cooling effect two-to-three times greater than the required energy… Read more

May 30, 2016 | Energy Efficency

Successful Energy Efficiency In Using Centrifugal Water Chillers

Influence Of Electric Field and Clearances In EHV AIS Substation

This article is continued from: Clearance Requirements In EHV AIS Substation You MUST Respect Bus height is also governed and calculated by the fact that allowable electric field due to live… Read more

May 27, 2016 | Power Substation

Influence Of Electric Field and Clearances In EHV AIS Substation

Clearance Requirements In EHV AIS Substation You MUST Respect

Starting point for planning a substation is its single line diagram (SLD) which relates to circuit configuration, number of bus bars and its type and other associated equipment. However from… Read more

May 25, 2016 | Power Substation

Clearance requirements you MUST take into account when planning EHV AIS substation

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

This technical analysis was carried out by ABB to show that for urban supply networks the combination of HV gas insulated switchgear – GIS (due to their compactness and flexibility) and… Read more

May 23, 2016 | High Voltage

What would be the best solution for urban supply networks - AIS or GIS systems?

Shielding and Grounding Practices for Control Cables in EHV Substations

For several years, the increased application of solid-state devices for protective relaying and control and for electronic equipment, such as audio tones, carrier and microwave equipment, event recorders, and supervisory… Read more

May 20, 2016 | Cables

Shielding and Grounding Practices for Control Cables in EHV Substations

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

This test is performed at or above rated voltage to determine if there are low resistance paths to ground or between winding to winding as a result of winding insulation… Read more

May 18, 2016 | Testing and Commissioning

Do’s and Don’ts When Measuring Insulation Resistance Of Transformer

Using digital multimeter for testing the charging system of your car

To be honest with you, this article is about testing the car charging system and it isn’t applicable on new Tesla Model III or new BMW 7-series. As you can… Read more

May 16, 2016 | Metering

Using digital multimeter for testing of automotive charging system

Why Good Care Of Overcurrent Protective Devices Really Matter

Whether in the design or maintenance of an electrical system, hazards exist if the proper overcurrent protective devices are not selected and applied. Circuit breakers and other electrical equipment also must… Read more

May 13, 2016 | Energy and Power

Why Good Care Of Overcurrent Protective Devices Really Matter

General Requirements For Operation and Maintenance Of 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… Read more

May 11, 2016 | Energy and Power

General Requirements For Operation and Maintenance Of Battery Cells

A few tips on how to select contactors for use in direct on line starters

Contactors for use in direct on line starters (DOL) are normally selected by their AC3 rating, that is the switching on of a cage type induction motor and switching off… Read more

May 09, 2016 | Electric Motor

A few tips on how to select contactor for use in direct on line starter

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