What is rotor angle stability?
Answers were Sorted based on User's Feedback
Answer / raghavendran.r
rotor angle or load angle stability denotes the angular
displacement between stator and rotor speeds.It is directly
proportional to the speed of the m/c ie the load connected
to the Generator.If the Angle is beyong tolerable limit,
the system will come out of synchronism.
Is This Answer Correct ? | 27 Yes | 4 No |
Answer / s.ferna
The ability of synchronous machines of a power system to
remain in synchronism.
Stability phenomena
*Existence of equilibrium between Tm and Te under steady
state condition.
*Upset of the equilibrium, if the system is perturbed.
Is This Answer Correct ? | 6 Yes | 6 No |
What is the formula of frequency ?
I've heard that most of the substations are rated in multiples of 1.11 because of form factor.What is form factor?
when voltage increases then current also increases then what is the need of over voltage relay and over current relay? can we measure over voltage and over current by measuring current only?
why VCB are not used in 132KV system(above 33KV system)
Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?
What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)
17 Answers Alstom, Call Centre, EDC, HCL, Procon Engineers,
dear all, i want to ask that what is diversity factor. please explain breifly. because i hve quiet no concept about this.
Can someone explain how does an IDMT relay works.
how is reactive power controlled on the transmission system
what is the safety of VCB.
5 Answers Nagarro, Roto Power, RotoPower,
why plc need seprate earthing?
What is a surge supressor why its is used in synchronous generators