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Question
what is the difference between LT & HT Motors
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
LT motor work on 440 volt
HT motor work on 3.3 kv or more
 
Is This Answer Correct ?    35 Yes 7 No
Vijay Singh
 
Answer
# 2
LT Motor works below 415 volts
HT Motor works above 415 volts
 
Is This Answer Correct ?    18 Yes 3 No
Siva Krishna
 
 
 
Answer
# 3
DEPENDING ON AVAILABILITY OF SUPPLY VOLTAGE THE MOTORS CAN BE CLASSIFIED AS
FOLLOWS: -
1 AS PER AMERICAN/EUROPEAN PRACTICE: -
A) LT RANGE MOTORS 230 VOLTS, 415 VOLTS
B) MEDIUM VOLTAGE RANG- 690 VOLTS TO 3300 VOLTS
C) HT RANGE MOTORS 6600 VOLTS AND 11000 VOLTS.
2) AS PER INDIAN PRACTICE: -
LT RANGE MEANS 230 VOLTS, 415VOLTS AND 690 VOLTS
AND HT MEANS 3300, 6600 AND 11000 VOLTS RANGE.
 
Is This Answer Correct ?    15 Yes 3 No
Himmat
 
Answer
# 4
fOR THE SAME POWER RATING THE SIZE OF THE LT MOTOR IS MUCH
BIGGER THAN HT MOTOR. But the insulaton level in HT motor
is more strenghter than LT motor. the current is very high
in same rating LT motor so the rating of the protection
device will be higher than HT type motor.
so generally we have taken HT motor in bigger size like
geater than 100 Kw. that can be taken in LT if HT is not
available there & space is availabe.
 
Is This Answer Correct ?    22 Yes 12 No
Rajpurohit
 
Answer
# 5
As per Indian Electrical Practice motor voltage level defines LT or HT

LT Motor - voltage level 0 - 680 V
HT Motor - Voltage level 690- 11000 V
EHT Motor - voltage level 33000 V and above
 
Is This Answer Correct ?    3 Yes 0 No
Prashanth
 
Answer
# 6
LT MOTOR IS HAVING THE RATING <200KW OF VOLTAGE 415V
HT MOTOR IS HAVING THE RATING <=200KW OF VOLTAGE 6600V,3300V,11000V
THE RATING OF THE PROTECTING ELEMENTS FOR THE LT MOTOR IS MORE
WHEN COMPARED TO THE HT MOTOR AS LT MOTOR CARIES MORE CURRENT
 
Is This Answer Correct ?    2 Yes 2 No
Krishna Tanuz
 
Answer
# 7
LT RANGE MOTORS 230 VOLTS, 415 VOLTS
HT RANGE MOTORS 6600 VOLTS AND 11000 VOLTS.
The insulation level in HT motor
is more strengthener than LT motor. the current is very high
in same rating LT motor so the rating of the protection
device will be higher than HT type motor.
 
Is This Answer Correct ?    0 Yes 2 No
Subasis Panda
 
Answer
# 8
LT motors works with below 700 volts and HT motors is
working on or above 700 volts.
 
Is This Answer Correct ?    3 Yes 10 No
Manish
 
Answer
# 9
LT Motor Worke Under 1KV & HT Motor Work Over The 1KV
LT Motor Requaird mor current then LT Motor
 
Is This Answer Correct ?    25 Yes 48 No
B Soni
 

 
 
 
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  Question Asked @ Answers
 
15 suspects are rounded by the police and questioned about a bank robbery. Only one of them is guilty. The suspects are made to stand in a line and each person declares that the person next to him on his right is guilty. The rightmost person is not questioned. Which of the following possibilities are true? A. All the suspects are lying. B. The leftmost suspect is guilty. B only TCS 2
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1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?   2
which cable is preferred PVC OR XLPE for voltage from 220V to 11 KV with proper justification BARC 1
 
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