CR4320-30 CR Magnetics Inc, CR4320-30 Datasheet - Page 37

• Manufacturer Part Number: CR4320-30
• Description: SENSOR CURRENT 30A 24V UNI MOD
• Manufacturer: CR Magnetics Inc
• Series: -r

Specifications of CR4320-30

• Current - Sensing: 30A
• Accuracy: ±0.5%
• Sensitivity: -
• Current - Supply: -
• Sensor Type: Open Loop
• Voltage - Supply: 24V
• Output: 4 ~ 20mA DC
• Frequency: 50/60Hz
• Response Time: 200ms
• Polarization: Unidirectional
• Operating Temperature: -30°C ~ 60°C
• Package / Case: Module
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q4344664

• The current in each element is equal to the line current I
• The voltage across each element is equal to the line voltage E
• The impedance of each element is equal to 3 times the voltage across
• The voltage across the elements are 120
• The currents in the elements are 120
• The power is equal to 3 times voltage across each element times the
P=1.73 E
Z = 1.73 E
I
P= 2(E
I
I
• The current in each non-open element is equal.
• The current in the connecting leg of the non-open elements is 3 times the
current in any other leg.
P
each element divided by the line current.
A-C
C
current I
= I
= 1.73 I
1.73
= I
C
L
C
I
L
A-C
Z
times COS O.
C-B
I
L-L
I
L
P
Z
Z
L-L
)
= I
2
I
A
A
L-L
Z
A
P = power in watts
O = phase angle in degrees
Z
C-B
I
= 1.73 I
L
A
Z
cos 0 = 3(E
= I
3-Phase Delta
3-Phase Delta
B
B
B
=
I
I
I
A
B
C
B
I
I
I
L
L
L
E
°
E
E
Z
E
E
L-L
out of phase.
L-L
L-L
L-L
L-L
Z
°
L-L
out of phase.
E
)
E
2
L-L
L-L
3-Phase Open Leg Circuits
3-Phase Balanced Circuits
L
divided by 3.
L-L
.
38
P = 3 E
I
E
• The current in each element is equal to the line current I.
• The voltage across each element E
• The impedance of each element is equal to line voltage E
• The voltages across the elements are 120
• The currents in the elements are 120
• The power is equal to 3 times line voltage E
• For a balanced load the current in the neutral is equal
L
P= E
I
= E
L
L-N
• The current in each non-open element is equal to the line current.
• The voltage across each non-open element is equal to the line voltage
• The power is equal to the line voltage times the line current
by 3
times the line current.
times COS O.
to zero.
=
divided by 2.
times COS O.
= E
Z
E
2 Z
L-N
L-L
1.73
L-L
E
A
L-N
L
=
L-L
=
I
3-Phase WYE (No neutral)
L
E
A
2
L-L
1.73 Z
COS 0
I
Z
L
E
cos 0 = 1.73 E
Z
C
L-L
C
Z
3-Phase WYE
Z
B
Z
I
L
B
I
= 0
L
I
I
L
L
L-N
°
E
E
is equal to the line voltage E
I
I
L-L
L-L
L
L
out of phase.
E
E
E
°
L-L
L-N
L-N
Z = E
L-L
out of phase.
L-N
E
times line current
E
L-N
I
L-L
L
E
1.73 I
cos 0
L-L
E
L-L
L-L
L-L
P
divided by 3
transducer03a
L-L
divided