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High voltage station – Design, construction and commissioning process
High Voltage Station – 3 Main Processes Having selected the right site location for high voltage station, the design construction. Read more
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Installation tips for prefabricated busbar systems and cables
Installation configuration The term installation configuration, when applied to prefabricated busbar systems and cables – power transport and power distribution. Read more
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How capacitors improve the power factor and how to calculate them?
How to improve the power factor? It’s quite simple. By installing capacitors or capacitor banks. Improving the power factor of. Read more
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Traditional Star-Delta motor starting method used in practice
Traditional Star-delta motor starting Due to their simplicity, robustness and cost-effectiveness, squirrel cage motors are the preferred choice of industry.. Read more
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Protection from fault current by automatic power supply disconnection
Fault loop and fault current The use of protective conductors linking all the exposed conductive parts of all equipment creates. Read more
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5 transformer fault conditions and how to protect from them
Transformer fault conditions A number of transformer fault conditions can arise practically in any time following some special situations. These. Read more
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3 good ways to improve earth electrode resistance
Earth electrode resistance When you find that your earth electrode resistance is not low enough, there are several ways you. Read more
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Troubleshooting dead circuit by testing continuity with disconnected supply
Dead circuit testing methods Dead circuit testing is testing performed with the power disconnected from the circuit. The main benefit. Read more
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What is an inductor and how it works (facts you must NEVER forget)
Inductor, what is it? We have all heard the term Inductor many times, but what is it? Well, it is. Read more
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Gas insulated substation (GIS) versus Air insulated substation (AIS)
Gas insulated substation (GIS) design The metal-enclosed gas insulated switchgear inherently follows the criteria for new substation design and offers. Read more
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Shaping and connecting rigid busbars in low voltage switchgear
Busbars – machining, bending and shaping The busbars constitute the real “backbone” of every low voltage switchgear. The main busbar and. Read more
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9 rules for correct cabling of the Modbus RS485 communication systems
Modbus RS485 cabling rules The cabling of the industrial communication systems (Modbus RS485) is different in some ways from the cabling used. Read more
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The principles of differential protection you MUST understand
Differential protection Although nowadays differential protection is achieved numerically, in order to understand the principles of differential protection it is. Read more
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Sizing of motors and frequency converters for a particular machine load
Correct size of motors and converters Manufacturers of electric motors and frequency converters have evolved various methods for quickly selecting. Read more
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6 wiring and grounding problems that lead to low power quality
Wiring and grounding problems In this technical article, typical wiring and grounding problems, as related to power quality, are presented.. Read more
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The basic calculation of transmission line protection
Transmission line protection The excessive currents accompanying a fault, are the basis of overcurrent protection schemes. For transmission line protection. Read more
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Thumb rules for installing AC converter into metal enclosure
AC converter installation If the environmental conditions are likely to exceed normal working ranges of an AC converter, then arrangements should. Read more
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A case study of 110/10 kV substation with centralized protection, automation...
Centralized substation protection and control Centralized substation protection and control has been attempted in the past based on the available. Read more
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Main features that make AC drive the leading motor control method
The basic functions of an AC drive We can confidently say that the AC drive is the leading motor control. Read more
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Fundamental overcurrent, distance and differential protection principles
Essential protection principles This technical article covers the four fundamental protection principles: Principle of overcurrent protection Principle of directional overcurrent protection. Read more
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