6.3 MEDICIÓN
6.3MEDICIÓN
a) POTENCIA Y ENERGÍA
La siguiente figura ilustra las convenciones establecidas para el uso en relés M60.
Generator
G
M
Inductive
Generator
G
6
Inductive
M
G
Generator
G
Generator
Figura 6–1: DIRECCIÓN DE FLUJO PARA VALORES CON SIGNO PARA VATIOS Y VARS
6-8
Voltage
WATTS = Positive
VARS = Positive
PF = Lag
Current
UR RELAY
LOAD
Resistive
Voltage
WATTS = Positive
VARS = Negative
PF = Lead
Current
UR RELAY
LOAD
Resistive
Resistive
LOAD
Voltage
WATTS = Negative
VARS = Negative
PF = Lag
Current
UR RELAY
Resistive
LOAD
Voltage
WATTS = Negative
VARS = Positive
PF = Lead
Current
UR RELAY
827239AC.CDR
M60 relé para protección de motor
6.3.1 CONVENCIONES DE MEDICIÓN
PER IEEE CONVENTIONS
PARAMETERS AS SEEN
BY THE UR RELAY
VCG
IC
VAG
IB
IA
VBG
-
1
VCG
IA
IC
VAG
IB
VBG
-
2
VCG
IB
IA
VAG
IC
VBG
-
3
VCG
IB
VAG
IC
IA
VBG
-
4
6 VALORES REALES
+Q
PF = Lead
PF = Lag
IA
-P
+P
PF = Lag
PF = Lead
-Q
S=VI
+Q
PF = Lead
PF = Lag
-P
+P
IA
PF = Lag
PF = Lead
-Q
S=VI
+Q
PF = Lead
PF = Lag
-P
+P
IA
PF = Lag
PF = Lead
-Q
S=VI
+Q
PF = Lead
PF = Lag
IA
-P
+P
PF = Lag
PF = Lead
-Q
S=VI
GE Multilin