ABB Relion 620 Series - Page 297

Name Type Values (Range) Unit Description
ANGLE_A FLOAT32 -180.00...180.00 deg Calculated angle
difference, Phase
A
ANGLE_B FLOAT32 -180.00...180.00 deg Calculated angle
difference, Phase
B
ANGLE_C FLOAT32 -180.00...180.00 deg Calculated angle
difference, Phase
C
VMEM_USED BOOLEAN
0=False
1=True
Voltage memory
in use status
DPHHPDOC Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.1.3.11 Technical data
Table 290: DPHxPDOC Technical data
Characteristic
Value
Operation accuracy
DPHLPDOC
Depending on the frequency of the current/voltage measured: f
n
±2 Hz
Current:
±1.5% of the set value or ±0.002 × I
n
Voltage:
±1.5% of the set value or ±0.002 × U
n
Phase angle: ±2°
DPHHPDOC Current:
±1.5% of the set value or ±0.002 × I
n
(at currents in the range of 0.1…10 × I
n
)
±5.0% of the set value
(at currents in the range of 10…40 × I
n
)
Voltage:
±1.5% of the set value or ±0.002 × U
n
Phase angle: ±2°
Start time , I
Fault
= 2.0 x set Start
value
Minimum Typical Maximum
39 ms 43 ms 47 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Table continues on the next page
1
Measurement mode and Pol quantity = default, current before fault = 0.0 × I
n
, voltage before
fault = 1.0 × U
n
, f
n
= 50 Hz, fault current in one phase with nominal frequency injected from
random phase angle, results based on statistical distribution of 1000 measurements
2
Includes the delay of the signal output contact
1MRS757644 H Protection functions
620 series
Technical Manual
297