Rotor Angle Stability of Synchronous Generators in Power System
Rotor Angle Stability: Rotor angle stability is the ability of the interconnected synchronous machines running in the power system to remain in the state of synchronism. Two synchronous generators running…
Harmonics effect on Transformer
Harmonics distortion effect on Power System and their impact on Induction Motors are already discussed. Some of the disadvantages of harmonics and their impact on the transformers are: RMS current increase Eddy Current loss increases DC offset…
Why Reactive Power is Generated at Load
Reactive Power if possible should be generated close the load centers or close to the point of its consumption. Some of the reasons why reactive power cannot be transmitted to long distances…
Instrumentation Cables Questions & Answers
Instrumentation Cables Questions & Answers Cables Questions and Answers Explain different Control and Instrumentation Cables ? Instrumentation cables are multiple conductor cables that convey low energy electrical signals used for…
How 3 Wire RTD Lead Wire Resistance Eliminated?
Today i am sharing an article about how a 3 wire RTD eliminates/reduces the lead wire resistance when compared with 2 wire RTD. Also, we will discuss impact of the…
Advantages of HVDC transmission
High voltage transmission is employed to transfer the bilk power from sending end to receiving end with lesser losses. Generally power is transferred in ac because of the feasibility in…
Harmonics effect on Induction Motor
Harmonics in the power system are generated due to the usage of non linear load. Some of the effects of harmonics on the performance of induction machine are: Core losses in…
Classification of Transmission Lines
Over head transmission lines are classified based on the manner in which the capacitance is considered: Short Transmission Lines: Transmission lines whose length less than 80kms and operating voltage less…
Transformers Questions & Answers Part-1
Inrush Currents in Transformers - Causes When a transformer is energized after a short interruption, the transformer may draw high inrush currents from the system due to core magnetization being…
Transformers Questions & Answers Part-2
Auto-transformer Advantages: Auto-transformers in comparison with the double winding transformers are generally advantageous of the voltage ratio is favorable from the point of view of the equivalent size The reduction…