277
────────────────────────────────────────────────────
20.3 Calculations
────────────────────────────────────────────────────
3. Apparent power (
S), Reactive power (Q)
Type 1
Apparent power (
S
)
Reactive power (
Q
)
1P2W
S
(i)
=
U
(i)
I
(i)
Q
(i)
= s
(i)
(
U
(i)
I
(i)
)
2
-
P
(i)
2
SUM
1P3W
S
(i)(i+1)
=
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
Q
(i)(i+1)
= s
(i)
(
U
(i+1)
I
(i+1)
)
2
-
P
(i+1)
2
(
U
(i)
I
(i)
)
2
-
P
(i)
2
+ s
(i+1)
3P3W
S
(i)(i+1)
= ─ (
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
)
2
Q
(i)(i+1)
= s
(i)
(
U
(i+1)
I
(i+1)
)
2
-
P
(i+1)
2
(
U
(i)
I
(i)
)
2
-
P
(i)
2
+ s
(i+1)
3V3A
S
(i)(i+1)(i+2)
=
(
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
+
U
(i+2)
I
(i+2)
)
3
Q
(i)(i+1)(i+2)
= s
(i)
(
U
(i+1)
I
(i+1)
)
2
-
P
(i+1)
2
(
U
(i)
I
(i)
)
2
-
P
(i)
2
+ s
(i+1)
3P4W
S
(i)(i+1)(i+2)
=
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
+
U
(i+2)
I
(i+2)
Q
(i)(i+1)(i+2)
= s
(i)
(
U
(i+1)
I
(i+1)
)
2
-
P
(i+1)
2
(
U
(i)
I
(i)
)
2
-
P
(i)
2
+ s
(i+1)
+
(
U
(i+2)
I
(i+2)
)
2
-
P
(i+2)
2
s
(i+2)
Type 2
Apparent power (
S
)
Reactive power (
Q
)
1P2W
S
(i)
=
U
(i)
I
(i)
Q
(i)
=
(
U
(i)
I
(i)
)
2
-
P
(i)
2
SUM
1P3W
S
(i)(i+1)
=
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
Q
(i)(i+1)
=
(
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
)
2
-(
P
(i)
+
P
(i+1)
)
2
3P3W
S
(i)(i+1)
= ─ (
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
)
2
Q
(i)(i+1)
=
{
(
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
)}
2
-(
P
(i)
+
P
(i+1)
)
2
2
3V3A
S
(i)(i+1)(i+2)
=
(
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
+
U
(i+2)
I
(i+2)
)
3
Q
(i)(i+1)(i+2)
=
{
(
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
+
U
(i+2)
I
(i+2)
)}
2
-(
P
(i)
+
P
(i+1)
)
2
3
3P4W
S
(i)(i+1)(i+2)
=
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
+
U
(i+2)
I
(i+2)
Q
(i)(i+1)(i+2)
= (
U
(i)
I
(i)
+
U
(i+1)
I
(i+1)
+
U
(i+2)
I
(i+2)
)
2
-(
P
(i)
+
P
(i+1)
+
P
(i+2)
)
2
Type 3
Apparent power (
S
)
Reactive power (
Q
)
1P2W
S
(i)
=
U
(i)
I
(i)
Q
(i)
=
(
U
(i)
I
(i)
)
2
-
P
(i)
2
SUM
1P3W
S
(i)(i+1)
= 2×
U
(i)
+
U
(i+1)
2
×
I
(i)
+
I
(i+1)
2
(2×
Q
(i)(i+1)
=
U
(i)
+
U
(i+1)
2
×
I
(i)
+
I
(i+1)
2
)
2
-(
P
(i)
+
P
(i+1)
)
2
3P3W
×
S
(i)(i+1)
=
U
(i)
+
U
(i+1)
2
×
I
(i)
+
I
(i+1)
2
Q
(i)(i+1)
=
( ×
U
(i)
+
U
(i+1)
2
×
I
(i)
+
I
(i+1)
2
)
2
-(
P
(i)
+
P
(i+1)
)
2
3V3A
×
×
U
(i)
+
U
(i+1)
+
U
(i+2)
3
S
(i)(i+1)(i+2)
=
I
(i)
+
I
(i+1)
+
I
(i+2)
3
Q
(i)(i+1)(i+2)
= ( ×
U
(i)
+
U
(i+1)
+
U
(i+2)
3
×
I
(i)
+
I
(i+1)
+
I
(i+2)
3
)
2
-(
P
(i)
+
P
(i+1)
)
2
3P4W
×
×
U
(i)
+
U
(i+1)
+
U
(i+2)
3
S
(i)(i+1)(i+2)
=
I
(i)
+
I
(i+1)
+
I
(i+2)
3
Q
(i)(i+1)(i+2)
=
(3×
U
(i)
+
U
(i+1)
+
U
(i+2)
3
×
I
(i)
+
I
(i+1)
+
I
(i+2)
3
)
2
-(
P
(i)
+
P
(i+1)
+
P
(i+2)
)
2
Summary of Contents for Power HiTester 3193
Page 2: ......
Page 50: ...32 3 9 Operations During Power Failure ...
Page 76: ...58 4 13 Degaussing ...
Page 80: ...62 5 2 Setting the Frequency Range fa ...
Page 108: ...90 9 3 Internal Circuit for the External Control and Timing ...
Page 112: ...94 10 3 Output Rate ...
Page 250: ...232 13 9 Error and Overflow Displays ...
Page 278: ...260 17 5 Internal Block Diagram ...
Page 284: ...266 19 2 Installation Procedures For JIS standard For EIA standard External Dimensions ...
Page 300: ...282 20 4 Internal Block Diagram of the 3193 ...
Page 306: ...INDEX 4 Index ...
Page 307: ......
Page 308: ......
Page 309: ......
Page 310: ......