Acrel AM5SE-IS Anti-islanding Protection Relay for Renewable Energy EMS
Acrel AM5SE-IS Anti-islanding Protection Relay for Renewable Energy EMS
General
AM5SE-IS anti-islanding protection device is mainly suitable for new energy grid-connected power supply systems such as 35kV, 10kV and low-voltage 380V photovoltaic power generation and gas power generation. When the island phenomenon occurs, the grid connection point can be quickly cut off, so that the station can be quickly separated from the grid side, ensuring the safety of the entire power station and related maintenance personnel.
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Function of AM5SE-IS Anti-islanding Protection Relay for Renewable Energy EMS


Wiring

Front Panel

Dimension

Network

FAQ of AM5 Middle Voltage Protection Relay
The protection device can set the CT and PT ratio through the fixed value menu. For example, the current transformer is 75/5 and the voltage transformer is 10/0.1, then the CT ratio is set to 15 and the PT ratio is set to 100.
AM5-F is suitable for line protection and transformer protection.No need to distinguish between models when placing orders
The voltage wiring mode and current wiring mode of the protection device can be set independently, and can be connected freely.
If the circuit breaker is equipped with anti-trip, the device does not must be equipped with anti-trip; if the circuit
breaker does not have anti-trip, you need to configure the AM5-FT anti-trip module. (If DC48V is selected as the
operating power supply, the anti-trip box is not optional, and the circuit breaker must be equipped with anti-trip
function; if you choose AC anti-trip, please note that AC and DC general anti-tripping)
Before ordering, it is recommended to consult related engineers, select the appropriate protection model,
and then fill in the corresponding selection table, and place the order after confirmation by the engineers.
Acrel AM5SE-IS Anti-islanding Protection Relay for Renewable Energy EMS
Technical Parameters
CharacteristicsVersion |
AM5SE-F,AM5SE-T,AM5SE-M,AM5SE-C, AM5SE-B,AM5SE-D2,AM5SE-D3, AM5SE-TB,AM5SE-MD |
AM5SE-UB, AM5SE-IS, AM5SE-FE, AM5SE-FA,AM5SE-K |
Power Supply |
||
Rated voltage |
AC/DC 110V or AC/DC 220V |
|
Range |
Rated voltage × (1±20%) |
|
Burden |
≤15 VA |
|
PT Inputs |
||
Rated value |
AC 100V or V |
AC 380V or 220V |
PT rated secondary range |
0.1V~120V |
0.1V ~ 456V |
Accuracy |
0.5S |
|
Burden |
≤0.5VA (each phase) |
|
Voltage withstand |
Continuous: 1.2 Un 10s: 2 Un |
|
Phase CT Inputs (Protection Current) |
||
CT rated secondary range |
AC 5A or 1A |
|
Dynamic |
20 × CT rated current |
|
Accuracy |
0.5S |
|
Burden |
≤0.5VA (each phase) |
|
Thermal withstand |
Continuous: 2 In 1s: 40 In |
|
Phase CT Inputs (Measurement Current) | ||
CT rated secondary range |
AC 5A or 1A |
|
Dynamic |
1.5 × CT rated current |
|
Accuracy |
0.5S |
|
Burden |
≤0.5VA (each phase) |
|
Thermal withstand |
Continuous: 1.5 In 1s: 4 In |
|
Frequency |
||
Rated frequency |
50Hz or 60Hz |
|
Frequency range |
40 ~ 70Hz |
|
Accuracy |
±0.1Hz |
|
Digital Inputs |
||
Operating nominal voltage |
AC/DC 110V or AC/DC 220V |
|
Voltage threshold |
70% of nominal voltage |
|
Reset threshold |
55% of nominal voltage |
|
Burden |
≤ 1W (each phase) (DC220V) |
|
Digital Outputs |
||
Make and carry |
≥ 10000 operations |
|
Making capacity |
≥ 1000W, L / R = 40ms |
|
Continuous current |
≥ 5A |
|
Short duration carry current |
≥ 30A for 200ms |
|
Breaking capacity |
≥ 30W, L/R = 40ms |
Characteristics | Accuracy | Resolution | Disengaging ratio |
Voltage | ±3% | 0.001V | 0.95 and 1.05 |
Current | ±3% | 0.001A | 0.95 and 1.05 |
Frequency | ±0.02Hz | 0.001Hz | |
Operation delay|t>(DT) | 40ms or ±2% setting value | 0.001s | - |
Operation delay|t>(IDMT) | 40ms or ±5% setting value | 0.001s | - |
Characteristics | Standard | Level/Class |
Radiated emission | IEC-60255-26:2023——5.1 |
A |
Conducted emission | IEC-60255-26:2023——5.2 |
A |
Radiated radio frequency fields | IEC-60255-26:2023 |
A |
Electrostatic discharge | IEC-60255-26:2023——6.1 |
B |
Conducted radio frequency disturbance | IEC-60255-26:2023——6.2-6.5 |
A |
Fast transient bursts | IEC-60255-26:2023——6.2-6.5 | B |
Slow damped oscillatory waves | IEC-60255-26:2023——6.2-6.4 |
B |
Surges | IEC-60255-26:2023——6.2-6.4 | B |
Voltage dips and short interruptions test(AC or DC) | IEC-60255-26:2023——6.2 |
A/C |
Magnetic field at power frequency | IEC-60255-26:2023——6.1 |
B |
Acrel AM5SE Protection Relay for Renewable Energy EMS
Functions
Analogue inputs |
AM5SE |
||||||||||||||
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
|
Input current |
8 |
8 |
8 |
8 |
9 |
9 |
9 |
8 |
6 |
8 |
8 |
8 |
8 |
0 |
/ |
Input voltage |
6 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
8 |
6 |
6 |
6 |
6 |
8 |
/ |
Digital |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
Digital Input |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
12 |
Digital Output |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
64 |
Rear port |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
RS485 (2 ports) |
√ |
||||||||||||||
Ethernet(2 ports) |
■ |
||||||||||||||
USB(1 port) |
√ |
||||||||||||||
Protocols |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
Modbus Serial |
√ |
||||||||||||||
Modbus over Ethernet |
■ |
||||||||||||||
IEC 60870-5-103 |
√ |
||||||||||||||
TCP IEC 60870-5-103 |
■ |
||||||||||||||
IEC 60870-5-101 |
√ |
||||||||||||||
Measurement |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
4-20mA analog output |
■ |
||||||||||||||
Electric parameter |
U、I、P、Q、PF、Fr、Ep、Eq、Es |
U、I |
U、Fr |
||||||||||||
Logs and Records |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
Fault recorder |
√ |
||||||||||||||
Number of circuit breaker trip and close |
√ |
||||||||||||||
Sequence of event record |
√ |
||||||||||||||
Monitoring function |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
Trip-and-Close Circuit Supervision |
√ |
||||||||||||||
Remote control |
√ |
||||||||||||||
Others |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
GPS |
√ |
||||||||||||||
Protection Function |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
3 stages directional overcurrent (with voltage dependant)[ANSI 67] |
√ |
√ |
√ |
√ |
|||||||||||
3 stages overcurrent (with composite voltage blocking)[ANSI 50/51] |
√ |
√ |
√ |
√ |
√ |
||||||||||
Differential protection with ratio restraining[ANSI 87] |
√ |
√ |
√ |
||||||||||||
Instantaneous Differential protection[ANSI 87] |
√ |
√ |
√ |
||||||||||||
Motor overcurrent(motor start,motor run,2 stages) |
√ |
√ |
|||||||||||||
Overcurrent (2 stages) [ANSI 50/51] |
√ |
||||||||||||||
Overcurrent IDMT [ANSI 51N] |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|||||||
Bus charge |
√ |
||||||||||||||
Protection Function |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
Bus tie protection and standby power automatic switch |
√ |
||||||||||||||
2 stages Directional earth fault [ANSI 67N] |
√ |
√ |
√ |
√ |
|||||||||||
2 stages earth fault [ANSI 50N/51N] |
√ |
√ |
√ |
√ |
√ |
||||||||||
Earth fault IDMT[ANSI 50N/51N] |
√ |
√ |
√ |
√ |
|||||||||||
Clearance earth fault protection(2 stages) |
√ |
||||||||||||||
Negative sequence overcurrent (2 stages)[ANSI 46] |
√ |
√ |
|||||||||||||
Negative sequence overcurrent IDMT[ANSI 46] |
√ |
√ |
|||||||||||||
Overload [ANSI 49F] |
√ |
√ |
√ |
√ |
√ |
||||||||||
Starting air-cooled water chiller |
√ |
||||||||||||||
On-load tap charge lock-out |
√ |
||||||||||||||
Undervoltage (trip)[ANSI 27] |
√ |
√ |
√ |
√ |
√ |
||||||||||
Undervoltage (alarm)[ANSI 27] |
√ |
√ |
√ |
√ |
√ |
√ |
|||||||||
Capacitor undervoltage(trip) |
√ |
||||||||||||||
Loss of voltage (trip) |
√ |
√ |
|||||||||||||
Loss of voltage (alarm) |
√ |
√ |
|||||||||||||
Overvoltage protection[ANSI 59] |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
||||||||
Residual voltage protection(trip)[ANSI 59N] |
√ |
√ |
√ |
√ |
√ |
√ |
|||||||||
Residual voltage protection(alarm)[ANSI 59N] |
√ |
√ |
√ |
||||||||||||
PT supervision[ANSI 60] |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
||||
Unbalance voltage[ANSI 60] |
√ |
√ |
√ |
||||||||||||
Unbalance current[ANSI 60] |
√ |
√ |
|||||||||||||
Motor starting time-out[ANSI 48] |
√ |
√ |
|||||||||||||
CT supervision[ANSI 60] |
√ |
√ |
√ |
√ |
√ |
√ |
|||||||||
Three phase Auto-reclose[ANSI 79] |
√ |
||||||||||||||
Thermal overload protection[ANSI 49M] |
√ |
√ |
|||||||||||||
Locked rotor[ANSI 51LR] |
√ |
√ |
|||||||||||||
FC block[ANSI 86] |
√ |
√ |
√ |
√ |
√ |
√ |
|||||||||
Post-accelerated overcurrent |
√ |
√ |
|||||||||||||
Under frequency[ANSI 81U] |
√ |
√ |
√ |
√ |
|||||||||||
Over frequency[ANSI 81O] |
√ |
√ |
√ |
√ |
|||||||||||
Incorrect phase sequence |
√ |
√ |
|||||||||||||
Voltage Phase loss protection |
√ |
√ |
|||||||||||||
Directional power protection[ANSI 32] |
√ |
√ |
|||||||||||||
Power recovery protection |
√ |
||||||||||||||
Under power protection |
√ |
||||||||||||||
Non-electricity |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|||||||
PT supervision and parallel connection |
√ |
||||||||||||||
Synchro-check[ANSI 25] |
√ |
√ |
√ |
||||||||||||
Rate of change of frequency[ANSI 81R] |
√ |
√ |
|||||||||||||
Trip-and-Close Circuit Supervision(alarm) |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
|||||
Protection Function |
-F |
-T |
-M |
-C |
-MD |
-D2 |
-D3 |
-TB |
-IS |
-FE |
-FA |
-B |
-K |
-UB |
-FD |
Auto-close with voltage recovery |
√ |
||||||||||||||
PT harmonic elimination |
√ |
||||||||||||||
Overhaul-lockout[ANSI 86] |
√ |