KYORITSU 6305 Instruction Manual User Manual

Page 132

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13.3

KEW6305

(5) Calculation items

Apparent power S [VA]

Displayed digit

Same as active power.

×1

A

V

S

Ч

=

Ч2

)

2

,

1

(

1

_

=

Ч

=

i

Ai

V

i

S

2

_

1

_

S

S

S

+

=

1P2W

Ч3

)

3

,

2

,

1

(

1

_

=

Ч

=

i

Ai

V

i

S

3

_

2

_

1

_

S

S

S

S

+

+

=

1P3W

)

2

,

1

(

=

×

=

i

Ai

Vi

Si

2

1 S

S

S

+

=

3P3W

)

2

,

1

(

=

×

=

i

Ai

Vi

Si

(

)

2

1

2

3

S

S

S

+

=

3P3W3A

)

3

,

2

,

1

(

=

×

=

i

Ai

Vi

Si

3

2

1

S

S

S

S

+

+

=

Equation

3P4W

)

3

,

2

,

1

(

=

×

=

i

Ai

Vi

Si

3

2

1

S

S

S

S

+

+

=

Reactive power Q [Var

Displayed digit

Same as active power.

Polarity indication

- (minus)

: leading phase

+ (no sign)

: lagging phase

×1

2

2

P

S

Q

=

×2

(

)

2

,

1

_

_

_

2

2

=

=

i

i

P

i

S

i

Q

2

_

1

_

Q

Q

Q

+

=

1P2W

×3

(

)

3

,

2

,

1

_

_

_

2

2

=

=

i

i

P

i

S

i

Q

3

_

2

_

1

_

Q

Q

Q

Q

+

+

=

1P3W

(

)

2

,

1

2

2

=

=

i

Pi

Si

Qi

2

1 Q

Q

Q

+

=

3P3W

(

)

2

,

1

2

2

=

=

i

Pi

Si

Qi

2

1 Q

Q

Q

+

=

3P3W3A

(

)

3

,

2

,

1

2

2

=

=

i

Pi

Si

Qi

3

2

1

Q

Q

Q

Q

+

+

=

Equation

3P4W

(

)

3

,

2

,

1

2

2

=

=

i

Pi

Si

Qi

3

2

1

Q

Q

Q

Q

+

+

=

Power factor PF

Display range

-1.000 to 0.000 to 1.000

Polarity indication

- (minus)

: leading phase

+ (no sign)

: lagging phase

×1

S

P

PF

=

×2

(

)

2

,

1

=

=

i

Si

Pi

PFi

S

P

PF

=

1P2W

×3

(

)

3

,

2

,

1

=

=

i

Si

Pi

PFi

S

P

PF

=

1P3W

(

)

2

,

1

=

=

i

Si

Pi

PFi

S

P

PF

=

3P3W

(

)

2

,

1

=

=

i

Si

Pi

PFi

S

P

PF

=

3P3W3A

(

)

3

,

2

,

1

=

=

i

Si

Pi

PFi

S

P

PF

=

Equation

3P4W

(

)

3

,

2

,

1

=

=

i

Si

Pi

PFi

S

P

PF

=

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