KYORITSU 6310 Instruction Manual - Manual (Page 288)

16.3 Integration measurement KEW6310
16.5
KEW6310
Apparent power energy WS [VAh]
Display item
Consumption :
+
WS
Regenerating :
−
WS
Display range
0.00VAh ~ 999999GVAh
(Display digit and unit are unified to the bigger ones of
+
WS and
−
WS .)
Consumption
(WS+)
Each phase :
( )
∑
+
= +
h
Si
WSi
Total :
( ) ∑
+ = +
WSi WS
Formula
Regenerating
(WS-)
Each phase :
( )
∑
−
= −
h
Si
WSi
Total :
( ) ∑
− = −
WSi WS
* when Si
+
: P >0, - Si , S at P < 0
* h : integration period
* i = 1 (1P2W×1)
* i = 1,2 (1P2W×2, 1P3W, 3P3W)
* i = 1,2,3 (1P2W×3, 3P3W3A, 3P4W)
* i = 1,2,3,4 (1P2W×4)
Reactive power energy WQ [varh]
Display item
Consumption : (lagging)
i
WQ +, (leading)
c
WQ +
[Regenerating: (lagging)
i
WQ － , (leading)
c
WQ － ] No mark
Display range
0.00varh ~ 999999Gvarh
(Display digit and unit are unified to the bigger ones of
+
WS and
−
WS .)
Consumption_
lagging
(WQi+)
Each phase :
( )
∑
+
= +
h
i Q
WQi i
Total :
( ) ∑
+ = +
i WQ WQ
i i
Consumption_
leading
(WQc+)
Each phase :
( )
∑
+
= +
h
i Q
i WQ c
c
Total :
( ) ∑
+ = +
i WQ WQ
c c
Regenerating_
lagging
(WQi-)
Each phase :
( )
∑
−
= −
h
i Q
i WQ i
i
Total :
( ) ∑
− = −
i WQ WQ
i i
Formula
Regenerating_
leading
(WQc-)
Each phase :
( )
∑
−
= −
h
i Q
i WQ i
i
Total :
( ) ∑
− = −
i WQ WQ
c c
* Q when +WQci : P>0 and Q>0, Q when +WQii: P>0 and Q<0
Q when –WQci : P<0 and Q>0, Q when –WQii : P<0 and Q<0
Elapsed time : time passed from the start of recording
Display item hhhhh : mm : ss (Hour : Minute : Second)
Display range 00000:00:00 ~ 99999:59:59