Answer / rajendran.m

BREAKERS. (M.V,H.T) RATINGS
Cromption Greavies. 125A.250A,400A,1000A,1250A
Siemens. 125A.250A,400A,1000A,1250A
L&T. 125A.250A,400A,1000A,1250A
ABB. 125A.250A,400A,1000A,1250A
TRANSFORMERS.
Kirlosker. 750 KVA,1250KVA,2.0 MVA
Indo tech. 750 KVA,1250KVA,2.0MVA
Cromption Greavies 750 KVA,1250KVA,2.0MVA

,

Answer / ismail

BREAKERS. (M.V,H.T) RATINGS

GENERAL ELECTRICAL(GE) 125A.250A,400A,1000A,1250A

Cromption Greavies. 125A.250A,400A,1000A,1250A
Siemens. 125A.250A,400A,1000A,1250A
L&T. 125A.250A,400A,1000A,1250A
ABB. 125A.250A,400A,1000A,1250A
TRANSFORMERS.
Kirlosker. 750 KVA,1250KVA,2.0 MVA
Indo tech. 750 KVA,1250KVA,2.0MVA
Cromption Greavies 750 KVA,1250KVA,2.0MVA

Answer / jigar m bhojani

rating of circuit breaker is in kv , rating of transfomer and generator is in kva , rating of turbine is in kw , rating of boiler is in tone per hour and rating of transmission line is kv or kw

Answer / jitendra

the meaning of this Qus is that what make is being used in ur company.
so the Ans is.
Generator:
we r using Cummins make And Rating is 1010kva
Transformer:-We use 3 Txs which ratings is 1010,1500,2000kva and made by Areva,L&T,Kirloskar etc give name which has been using ur company..
Breakers:
we r using ﹰDifferent kinds of breaker whicha ﹰRating and made as
ﹰMﹰCﹰB- Rating
6,10,25,32,63 amps and made by Schneider,Abb,Lt,Siemens
MCCB rating:
100,250,400,600,800 amp and made by Abb,seimens,
ACB:
1000,1500,1600,2000,2500 til 4000 and made by Same as above company.
this is A real ans and i Hope its Make U better 😊
my Instagram id :-@Iamjitendrajha

WE HAVE A LOAD OF 55KW MOTOR ITS VOLTS 380 3PH AND ITS TAKING 100AMPS (ITS FULL LOAD IS 105AMPS)AND ITS CABLE IS 4CX50SQMM ,NOW ITS GETTING ABNORMAL HEATUP IN CABLE,PLZ TELL WHY ITS HEAT-UP?(CABLE LENGTH IS 15 METERS ONLY)

10 Answers  

---

what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1 Answers  

---

why we are using R,Y,B colours for 3 Phase ?

4 Answers   ITC Infotech,

---

DGs fuel and lube oil filters are not equal to one another.Why it is so.For example one MTU enginee fuel filter is one and lube oil filter-02nos other DGs are more.Please explain

1 Answers  

---

if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

0 Answers  

---

What is the difference between MCCB,ELCB,RCB & MCB

2 Answers   Bhel, HCL, HPL,

---

HOW TO FIND OUT 1. LINE CURRENT, 2. PHASE CURRENT IN AN ALTERNATOR / TRANSFORMER WHICH IS FEEDING A I)STAR LOAD ii) DELTA LOAD, USING A CLAMP METER. NORMALLY WHEN WE USE CLAMP METER IN A DG SET THEN WHAT DO WE GET?? PHASE CURRENT OR LINE CURRENT.

13 Answers   Bhel,

---

why neutral busbar size is SAME of the phase busbar size UPTO 200A IN LT PANELS

1 Answers   IBS,

---

Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?

2 Answers  

---

Sir, Please tell me that how I will calculate the efficiency of rectifier. Because input is ac and output is dc. Is it right to put two unlike signal together.

2 Answers  

---

Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

0 Answers  

---

show the physical connection and phasor diagrams of 1: DZO 2: Yd1 3: DZ6 4: Yd11 5: YZ11

0 Answers  

---