In order to break a short-circuit current in a d.c. system, it is necessary to connect the circuit breaker (CB) poles in a suitable way. To carry out this operation,… Read more
Jun 05, 2017 | Energy and Power
Researches so far shows that, by 2020, around 20% of the total energy production worldwide will be generated from renewable energy. But the major problem with the standalone system is… Read more
Jun 02, 2017 | Renewable Energy
All installations have an earth leakage current that is mainly due to the conductor’s capacitive leakage and to anti-parasitic or EMI filtering capacitors, for example class I equipment. The sum… Read more
Jun 02, 2017 | Energy and Power
This article shows application hints for typical transformer protection schemes where SIPROTEC 4 relays are used. Let’s see the most typical transformer applications and their protection schemes: Small transformer infeed Large… Read more
May 31, 2017 | Protection
Benjamin Franklin – The man who dared to fly his kite in a thunder storm! In this technical article laboratory tests and test equipment needed to assess the performance of… Read more
May 29, 2017 | High Voltage
Generators can really be described as the reason for being a power station. The operation of the turbine-generator system is second in criticality only to the operation of the nuclear…...
May 27, 2017 | Premium Content ♛
Motors are inherently highly reliable, requiring little routine maintenance. This remains true for most duties but may not be so where environmental conditions are aggressive, the starting duty is onerous,… Read more
May 25, 2017 | Electric Motor
The motor is selected according to the basic information about the process. Speed range, torque curves, ventilation method and motor loadability give guidelines for motor selection. Often it is worth… Read more
May 24, 2017 | Electric Motor
This technical article covers the medium voltage switching equipment intended mainly for primary substation installations. The target is to give some basic knowledge and difference between 4 main piece of… Read more
May 22, 2017 | Medium Voltage
This technical article reviews certain methodologies that may be followed for effective troubleshooting of a telemetry system from the digital or analog field input/output at the RTU to the computer… Read more
May 19, 2017 | Energy and Power
