what is a bus riser in power system and why it is used
Answer Posted / raja
Bus raiser are also called as raising mains ,
To reduce cable size, no of cables, easy taping,and also
safety,
to reduce no of cables laying.
| Is This Answer Correct ? | 18 Yes | 10 No |
Post New Answer View All Answers
What does the kvar means?
What are the parts in a inverter?
We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's
explain comutator action in detail.thanks
How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9
For high frequency application we use which transformer?
How to calculate energy stored in an inductance?
what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?
how wecalculate breaking capcity of acb mcb mccb .explain with example
delta motor winding resistance I take normally single winding is 2.5, which value is came delta connection ie RY ?
For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?
why power factor is important?
What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.
Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics
Draw the line diagram of diffretial relay connected to transformer?