A circuit breaker is rated 2500 A, 2000 MVA, 33 kV, 3 sec, 3-phase oil circuit breaker. Determine the breaking current.

MGVCL Exam Paper (30-07-2021 Shift 2)
A circuit breaker is rated 2500 A, 2000 MVA, 33 kV, 3 sec, 3-phase oil circuit breaker. Determine the breaking current.

25 kA

35 kA

2500 A

350 kA

25 kA

35 kA

2500 A

350 kA

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MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

increase the sensitivity of the relay

limit the main CT secondary current

minimize the effect of saturation of the main CTs

match the standard ratio of CTs used on both sides of the transformer winding

increase the sensitivity of the relay

limit the main CT secondary current

minimize the effect of saturation of the main CTs

match the standard ratio of CTs used on both sides of the transformer winding

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of the following is the largest windfarm located in India?

Muppandal

Mundra

Talcher

Vindhayachal

Muppandal

Mundra

Talcher

Vindhayachal

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MGVCL Exam Paper (30-07-2021 Shift 2)
A sudden, non power frequency change in the steady state condition of voltage or current that is bidirectional in polarity is called as

Impulsive transient

Distortion

Harmonic

Oscillatory transients

Impulsive transient

Distortion

Harmonic

Oscillatory transients

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MGVCL Exam Paper (30-07-2021 Shift 2)
A wire pilot is generally economical for distances up to

30 km to 60 km

20 to 25 km

75 km to 100 km

10 km to 15 km

30 km to 60 km

20 to 25 km

75 km to 100 km

10 km to 15 km

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MGVCL Exam Paper (30-07-2021 Shift 2)
If all the devices are connected to a central hub, then the topology is called

Tree Topology

Star Topology

Bus Topology

Tree Topology

Star Topology

Bus Topology

Tree Topology

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MGVCL Exam Paper (30-07-2021 Shift 2)

MGVCL Exam Paper (30-07-2021 Shift 2) A circuit breaker is rated 2500 A, 2000 MVA, 33 kV, 3 sec, 3-phase oil circuit breaker. Determine the breaking current.

MGVCL Exam Paper (30-07-2021 Shift 2) Interposing current-transformer (CT) is used in differential protection of a transformer to

MGVCL Exam Paper (30-07-2021 Shift 2) Which one of the following is the largest windfarm located in India?

MGVCL Exam Paper (30-07-2021 Shift 2) A sudden, non power frequency change in the steady state condition of voltage or current that is bidirectional in polarity is called as

MGVCL Exam Paper (30-07-2021 Shift 2) A wire pilot is generally economical for distances up to

MGVCL Exam Paper (30-07-2021 Shift 2) If all the devices are connected to a central hub, then the topology is called

MGVCL Exam Paper (30-07-2021 Shift 2)
A circuit breaker is rated 2500 A, 2000 MVA, 33 kV, 3 sec, 3-phase oil circuit breaker. Determine the breaking current.

MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of the following is the largest windfarm located in India?

MGVCL Exam Paper (30-07-2021 Shift 2)
A sudden, non power frequency change in the steady state condition of voltage or current that is bidirectional in polarity is called as

MGVCL Exam Paper (30-07-2021 Shift 2)
A wire pilot is generally economical for distances up to

MGVCL Exam Paper (30-07-2021 Shift 2)
If all the devices are connected to a central hub, then the topology is called