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The protection configuration is as follows:
1) CDMP201A/301A Circuit Protection and Control Device (reclosure)
201A main protection configuration is as follows:
Current protection (three sections of over-current, time-bound, anti-time Note 1, the negative sequence current, over-load, zero sequence current, complex
Voltage over-current)
Reclosure (with no pressure check, check over the same period, before and after acceleration)
Frequency load shedding protection (with slip lock, low-voltage lockout), low-frequency solution to be protected
Voltage protection (low voltage splitting, low-voltage, over voltage, loss of voltage, negative sequence over-voltage, zero sequence voltage)
Low current ground protection (with the network selection line)
Start reclosing
Hands together to accelerate after
301A main protection configuration is as follows:
Three sections of over-current (fixed time, inverse time 1), over-load, zero sequence current, re-closing (with no pressure check, check
Over the same period, before and after the acceleration), frequency load shedding protection (with slip lock, low-voltage lockout), voltage protection (low voltage,
Zero sequence voltage), start reclosing, hands together to accelerate after
Note 1: IEC standard inverse time contains three types of anti-time curve: standard inverse time, very inverse time
Extremely inverse time.
2) CDMP201B/301B Auxiliary Transformer Protection and Control Device
201B main protection configuration is as follows:
Current protection (three sections of over-current, time-bound, anti-time Note 1, the negative sequence current, over-load, zero sequence current, complex
Voltage over-current, Ix over-current Note 1)
Frequency load shedding protection (with slip lock, low-voltage lockout), low-frequency solution to be protected
Voltage protection (low voltage splitting, low-voltage, over voltage, loss of voltage, negative sequence over-voltage, zero sequence voltage)
Low current ground protection (with the network selection line)
Non-electricity protection (including the weight of gas, body light gas, high oil temperature, oil temperature high) (Note 2)
301B main protection configuration is as follows:
Three sections of over-current (fixed time, inverse time 1), over-load, zero sequence current, zero sequence voltage, multiple voltage over-current, Ix
Over-current Note 1
Note 1: IEC standard inverse time contains three types of anti-time curve: standard inverse time, very inverse time
Extremely inverse time.
Serial number |
Measurement parameters |
Accuracy |
1 |
Three-phase high-pressure side of the measuring current (Ia1, Ib1, Ic1) |
0.20% |
2 |
Three-phase high-pressure side of the phase voltage (Ua1, Ub1, Uc1) |
0.20% |
3 |
Three-phase high-pressure side of the line voltage (Uab1, Ubc1, Uca1) |
0.20% |
4 |
Three-phase low voltage side of the measuring current (Ia2, Ib2, Ic2) |
0.20% |
5 |
Three-phase low-voltage side phase voltage (Ua2, Ub2, Uc2) |
0.20% |
6 |
Three-phase low voltage side of the line voltage (Uab2, Ubc2, Uca2) |
0.20% |
7 |
Frequency (F) |
0.02Hz |
8 |
High-pressure side of the active power (P), reactive power (Q) |
0.50% |
9 |
High-pressure side of the active electrical degrees (PW), reactive power degree (QW) |
0.50% |
10 |
Low side active power (P2), reactive power (Q2) |
0.50% |
11 |
Active low-pressure side of the electrical degrees (PW2), reactive power degree (QW2) |
0.50% |
12 |
Active electrical degrees (PhI, PhE), reactive power degree (QhI, QhE) |
0.50% |
13 |
Active Power (P), reactive power (Q), power factor (PF) |
0.50% |
14 |
Four-pulse electrical degrees (PE1 ~ PE4) |
|
Name |
Range |
Initial &#118alue |
Step |
&#118alue group number |
1~8 |
1 |
1 |
Serial number |
Name |
Range |
1 |
Instantaneous trip current |
0~1 |
2 |
Determine the &#118alue of current speed |
0.5A~100A |
3 |
Current speed off delay |
0s~100s |
4 |
Low voltage start |
0~1 |
5 |
Low voltage start &#118alue |
2V~90V |
6 |
Speed belt direction |
0~1 |
Serial number |
&#118alue name |
&#118alue range |
1 |
Line Instant |
0~1 |
2 |
Determine the &#118alue of speed limit |
0.5A~100A |
3 |
Delay Line Instant |
0s~100s |
4 |
Low voltage start |
0~1 |
5 |
Low voltage start &#118alue |
2V~90V |
6 |
Speed belt direction |
0~1 |
Serial number |
&#118alue name |
&#118alue range |
1 |
Over-current protection |
0~1 |
2 |
&#118alue over current protection |
0.5A~100A |
3 |
Over-current protection delay |
0s~100s |
4 |
Low voltage start |
0~1 |
5 |
Low voltage start &#118alue |
2V~90V |
6 |
With the direction of over-current |
0~1 |
7 |
Inverse Time |
0~1 |
8 |
Inverse-time type |
Standard / very / extremely |
Serial number |
&#118alue name |
&#118alue range |
1 |
Reclosing |
0~1 |
2 |
Reclosing delay |
0s~100s |
3 |
Accelerated after delay |
0s~2s |
4 |
Allow closing angle |
0D~60D |
5 |
No pressure check |
0~1 |
6 |
Inspection period |
0~1 |
7 |
Erduan accelerated after |
0~1 |
8 |
After three accelerated |
0~1 |
Serial number |
&#118alue name |
&#118alue range |
1 |
Frequency load shedding |
0~1 |
2 |
Frequency load shedding &#118alue |
45~49.99 |
3 |
Frequency load shedding time delay |
0s~100s |
4 |
Slip lock |
0~1 |
5 |
Slip latch &#118alue |
0.01~10 |
6 |
Low-voltage lockout |
0~1 |
7 |
&#118alue of low-voltage lockout |
2V~90V |
Serial number |
&#118alue name |
&#118alue range |
1 |
Low-frequency splitting |
0~1 |
2 |
Constant low-frequency splitting |
45~49.99 |
3 |
Low frequency splitting delay |
0s~100s |
Serial number |
&#118alue name |
&#118alue range |
1 |
Low-frequency splitting |
0~1 |
2 |
Constant low-frequency splitting |
2V~90V |
3 |
Low frequency splitting delay |
0s~100s |
Serial number |
&#118alue name |
&#118alue range |
1 |
Small current grounding |
0~1 |
2 |
&#118alue of small current grounding |
0.5A~6A |
3 |
&#118alue of zero sequence voltage |
2V~120V |
4 |
Small current grounding delay |
0s~100s |
5 |
Network Selection |
0~1 |