Which of the following breaking method save energy?

GETCO Exam Paper (22-07-2015)
Which of the following breaking method save energy?

resistor breaking

dynamic breaking

plugging

regenerative breaking

resistor breaking

dynamic breaking

plugging

regenerative breaking

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GETCO Exam Paper (22-07-2015)
Switching surges are

short duration transient voltage

high votage DCs

power frequency voltage

high voltage Acs

short duration transient voltage

high votage DCs

power frequency voltage

high voltage Acs

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GETCO Exam Paper (22-07-2015)
Which of the following is not function of substation batteries?

provide supply to the excitation system

operating protective relay systems

emergency lighting circuits

operating automatic control circuits

provide supply to the excitation system

operating protective relay systems

emergency lighting circuits

operating automatic control circuits

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GETCO Exam Paper (22-07-2015)
In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for

as power transformer

measuring purpose

protection purpose

both measuring and protection

as power transformer

measuring purpose

protection purpose

both measuring and protection

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GETCO Exam Paper (22-07-2015)
In case of HVDC transmission there is _____

no charging current no skin effect

charging current but no skin effect

both charging effect and skin effect

no charging current but skin effect

no charging current no skin effect

charging current but no skin effect

both charging effect and skin effect

no charging current but skin effect

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GETCO Exam Paper (22-07-2015)
The rating of given on the name plate of a transformer indicates the:

Apparent power which it can supply

Apparent power which it draws from the supply mains

True power which it can supply

True power whichh it draws from the supply mains

Apparent power which it can supply

Apparent power which it draws from the supply mains

True power which it can supply

True power whichh it draws from the supply mains

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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015) Which of the following breaking method save energy?

GETCO Exam Paper (22-07-2015) Switching surges are

GETCO Exam Paper (22-07-2015) Which of the following is not function of substation batteries?

GETCO Exam Paper (22-07-2015) In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for

GETCO Exam Paper (22-07-2015) In case of HVDC transmission there is _____

GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the:

GETCO Exam Paper (22-07-2015)
Which of the following breaking method save energy?

GETCO Exam Paper (22-07-2015)
Switching surges are

GETCO Exam Paper (22-07-2015)
Which of the following is not function of substation batteries?

GETCO Exam Paper (22-07-2015)
In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for

GETCO Exam Paper (22-07-2015)
In case of HVDC transmission there is _____

GETCO Exam Paper (22-07-2015)
The rating of given on the name plate of a transformer indicates the: