4 Phase voltage & 3 Phase current output Protection Relay Test
Equipment With Fault Playback
Main Test of 4 Phase voltage & 3 Phase current output,
1.AC TEST
2.DC TEST
3.Harmonic Superposition Test
4.High-Low Frequency Test
5.Power Direction & Impedance Test
6.Synchronization Test
7.Full Group Test
8.Distance & Zero Sequence Protection
9.Characteristic of Impedance
10.Differential Protection
11.Differential Harmonic
12.Comprehensive Test of Line Protection of 6-35 KV Microcomputer
13.Fault Review
Technical Index of 4 Phase voltage & 3 Phase current output,
| AC current source |
| Output accuracy | 0.5% |
| Output range | 3*(0-40A); 0-120A (three phases in parallel) |
| Phase current which can get long-time working 10A |
| Maximum output power of phase current: 420VA |
| Maximum output power of three phase current in parallel: 900VA |
| Permissible working time (when three phase current in parallel to
get maximum output): 10s |
| Frequency (basic wave) range | 20-1000Hz |
| Harmonics times | 1-20 times |
| DC current source |
| Output accuracy | 0.5% |
| Current output | 0-+/-10A per phase; 0-+/-30A (three phase in parallel) |
| Maximum load voltage output | 20V |
| Output accuracy | 0.5% |
| Phase voltage output | 4*(0-120V) |
| Line voltage output | 0-240V |
| Phase voltage/line voltage output power | 80VA/100VA |
| Frequency (basic wave) range | 20-1000H |
| Harmonics | 1-20 times |
| DC voltage source |
| Output accuracy | 0.5% |
| Phase voltage output amplitude | 0-+/-160V |
| Line voltage output amplitude | 0-+/-320V |
| Phase voltage/line voltage output power | 70VA/140VA |
| Dimension | 400*300*180mm |
| Weight | approx 20KG |
| Power supply | AC 220V±10%,50／60Hz |
| Ambient temperature | -10℃ ～ +50℃ |
Switch signal and time measurement
| Switch signal input | 7circuits | Idle contact: 1～20mA,24V Potential contact access: “0”:0～ +6V； “1”:+11 V～ +250V |
| Switch signal output | 2 pairs | DC:220V／0.2A；AC:220V／0.5A |
| Time measure | Test range: 0.1ms ～ 9999s , accuracy 0.1mS Measurement range: 0.1ms ～ 9999s Measurement accuracy:0.1mS |
The factory inspection report
of Three-phase Relay Test Set
1.The AC power test of the device
1.1 the accuracy of outputing current amplitude
the accuracy and resolution of outputing current amplitude:
0～1A,0.001A,0～10A,0.01A,10A～Max.0.1A.Output range:0～40A.
| Current(A) | 0.1A | 1 A | 5 A | 10A | 20 A | 30 A |
| IA | 0.1001 | 0.998 | 5.008 | 10.008 | 20.018 | 30.015 |
| IB | 0.0998 | 1.002 | 5.003 | 10.007 | 20.013 | 30.017 |
| IC | 0.1002 | 0.997 | 4.999 | 9.996 | 19.990 | 30.015 |
1.2The output residual current measurements
The output residual current measurements when the device has no
output
| Phases of current | IA | IB | IC |
| residual current(mA) | 0.002 | 0.003 | 0.019 |
2.The AC voltage test of the device
2.1 the accuracy of outputing voltage amplitude
the accuracy and resolution of outputing voltage amplitude
0～10V,0.001V,0～30V,0.01V,30V～60V or 75V,0.1V；60V or 75V 0.1V .
Output range:0～120V
| Phase of Voltage | 1V | 10V | 30 V | 60 V | 80 V | 100 V | 120V |
| UA | 0.998 | 10.014 | 30.016 | 60.005 | 80.011 | 100.032 | 120.031 |
| UB | 1.002 | 10.015 | 30.016 | 60.001 | 79.988 7 | 100.035 | 120.036 7 |
| UC | 1.001 | 10.018 | 30.015 | 60.002 | 80.013 | 99.978 | 120.034 |
3.The test of Phase
| Test setting | 0° | 90° | 180° | 270° |
| VA ,IA | 0.2° | 90.2° | 180.1° | 270.2° |
| Angular deviation | 0.2° | 0.2° | 0.1° | 0.2° |
| VB ,IB | 0.2° | 90.1° | 180.2° | 270.1° |
| Angular deviation | 0.2° | 0.1° | 0.2° | 0.1° |
| VC ,IC | 0.2° | 90.2° | 180.1° | 270.2° |
| Angular deviation差 | 0.2° | 0.2° | 0.1° | 0.2° |
4,The DC power test of the device
4.1 Accuracy of the current output
| Current(A) | 0.1 | 0.5 | 1 | 2 | 3 | 5 |
| IA | 0.1001 | 0.5009 | 1.0012 | 2.0035 | 3.0056 | 5.009 |
| IB | 0.0998 | 0.4992 | 1.0007 | 2.0012 | 3.0045 | 5.007 |
| IC | 0.1002 | 0.5007 .
| 0.9996 | 2.0001 | 3.0021 | 4.997 |
5.other function
| Type | Result |
| 1,simulate all kinds of failure,reclosing function test,etc | Normal |
| 2, Switch parameters input /output checking | Normal |
| 3,communication | Normal |
| 4, The ac power output | Normal |
| 5,interface of each function | Normal |
6.Test equipment
● voltmeter,type:ESCORT3146A , accuracy 0.5magnitude
● ammeter,type:GB/T7676-1998 ,accuracy 0.5 magnitude
● Tektronix oscilloscope
● Multi-purpose digital meter,type:200MULTIMETER
● Millisecond meter,type:702-2
● Phase,No.:Multi-function watt-hour meter
7,Conclusion:
Through the above test result,the function of the relay protection
tester can be meet the requirements of various specifications and
the introduction. By the quality inspection department check to
leave the factory !
