Transformers Operation (b) Flashcards by Colton Becker

Q

VA In =

A

VA out

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Percent voltage regulation =

A

no load - full load / full load. x100

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Copper losses formula

A

kVa / Voltage = I

I squared(2) x R

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Power efficiency

A

Power out / Power in x100

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Power (W) Formula

A

VA x PF

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Percent impedance. (%IZ) formula

A

Impedance voltage / Primary Rated voltage x100

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Impedance voltage =

A

Primary rated voltage x %IZ / 100

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Maximum Available Short circuit current formula

A

Full-load secondary current / %IZ

How well did you know this?

1

Not at all

2

3

4

5

Perfectly