Tuesday 31 May 2016

Equipment Used To Implement Automatic Transfer System (ATS)

Automatic Transfer System (ATS) Although the basic operational requirements of any automatic transfer system are as given in this technical. Read more

Sunday 29 May 2016

Tips For Successful Energy Efficiency Of Centrifugal Water Chillers

Centrifugal water chillers Centrifugal water chillers comprise a significant portion of industrial and large commercial electrical load. These machines are. Read more

Saturday 28 May 2016

Statement from Energy Storage Association Executive Director Matt Roberts on Congressional Approval of a Standalone Energy Storage Investment Tax Credit (ITC) Expansion




The following statement is from Matt Roberts, Executive Director of the Energy Storage Association, on congressional approval of the Energy Storage Act of 2016:

“The bipartisan Energy Storage Act of 2016 would unlock competitive access to investment in a more resilient and efficient modern electrical grid by expanding the investment tax credit to include all types of advanced energy storage. 



Friday 27 May 2016

Aliso Canyon: SCE Announces Energy Storage RFO/RFP




Southern California Edison is seeking offers for energy storage systems to procure the necessary capacity in their system to address the potential shortfalls caused by the Aliso Canyon gas leak. More information is available on their site. 



Clearance Requirements In EHV AIS Substation You MUST Respect

Planning EHV AIS substation Starting point for planning a substation is its single line diagram (SLD) which relates to circuit. Read more

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. […]

Wednesday 4 May 2016

Does Transformer Hum Make You Nervous

Where Does the Sound Come From? Noise is caused by magnetostricition (changes in shape) of the core laminations while the transformer is energized. Transformers emit a low-frequency, tonal noise that people living in their vicinity experience as an irritating “hum” and can hear even against a noisy background. The electrical power industry produces a range […]

Tuesday 3 May 2016

Smart Grid News chooses Win Inertia as a Smart Grid Company to Watch for 2016




Seville, Spain, 27 April 2016 – After reviewing an overwhelming number of applications, Smart Grid News has chosen Win Inertia as one of 15 Smart Grid Companies to Watch in 2016 (link). This award is given annually to select organizations in recognition of their dedication to innovation and effecting positive change in the energy industry.     



Monday 2 May 2016

Differential Protection – Proven Technique For More Than 50 Years

Proven Protection Technique // The best protection technique now and for more than 50 years is that known as differential protection. Here the electrical quantities entering and leaving the protected zone or area are compared by current transformers (CTs). If the net between all the various circuits is zero, it is assumed that no fault […]