Electric Vehicle Feedback Power Grid Simulator
SNEBP series regenerative grid simulators are used in new energy industries such as charging piles, energy storage inverters, photovoltaic inverters, wind energy converters and other products for grid connection performance testing. The input end of the product adopts digital PWM rectification technology, and the output end adopts independent digital high-frequency inverter technology. It has full energy feedback to the grid, high input power factor, low grid pollution, high output waveform quality, fast dynamic response, and three-phase independent Adjustment and other advantages.
Main Features
1. With multiple output modes, powerful functions:
(1)Three-phase standard mode: standard three-phase voltage output;
(2)Three-phase unbalanced mode: the three-phase voltage is independently set, and the three-phase phase angle is adjustable from 0.0° to 359.9°;
(3)Parallel single-phase mode: three-phase parallel connection into high-power single-phase output;
2. The three-phase mode output adopts three-phase decoupling design, with comprehensive power grid abnormal simulation functions: grid distortion, grid fluctuation, three-phase unbalance, etc., and 2-40 harmonics can be superimposed in the harmonic mode;
3. Equipped with four-quadrant operation function, realizing 100% energy feedback to the grid;
4. It meets the low (zero) voltage ride through test requirements specified by the NB/T32004-2013 standard, and the low (zero) voltage ride through performance is reliable, and it will not resonate with the load at low voltage.
5. Meet the high voltage ride through test requirements specified by the national standard;
6. The dynamic response speed is fast, and the voltage mutation response time is within 20ms; the input power factor is high (≥095), and the input current distortion is low (<5%);
7. With Auto-Lock function, the keyboard is automatically locked at regular intervals to prevent accidents or dangers caused by accidental contact.
8. 8-inch color touch screen, all operations can be realized through the touch screen, the appearance is exquisite, the operation is convenient, and it is equipped with number keys, function keys, knobs, etc., and the operation is diversified;
9. The measurement function is complete, capable of measuring voltage, current, peak current, frequency, active power, apparent power, power factor, voltage crest factor and other electrical energy parameters:
10. With artificial intelligence monitoring (Al-Monitor) function, real-time monitoring of internal voltage, current, temperature and other parameters, abnormal conditions immediately alarm, and prompts for timely processing;
11. With Black-Box function, it can automatically record operating parameters under abnormal conditions, which is convenient for later viewing and maintenance;
12. The main components are international first-line well-known brands, reliable in quality, stable and durable
13. The key indicators are designed with multiple margins, voltage stress, current stress, and heat generation have undergone rigorous type tests. The whole machine has high reliability and long life;
14. The communication interface comes standard with RS232, RS485, GPIB, ETHERNET, analog control, etc. are selected.
Application
Function operation | |||||||||
Ladder programming | 9999 steps | ||||||||
Step programming | 100 steps, 999999 cycles | ||||||||
Gradient programming | 100 steps, 999999 cycles | ||||||||
Low (zero) voltage ride through | It can simulate the standards of many countries in the world, and the minimum response time is ≤20ms | ||||||||
High voltage ride through | It can simulate the standards of many countries in the world, and the minimum response time is ≤20ms | ||||||||
Wave format | Sine wave or harmonic (2~40th harmonic superimposed) | ||||||||
Real-time adjustment function | 1. In the normal mode start state, you can adjust the output voltage and frequency setting values through the number keys, increase and decrease keys, and knob, and update them immediately
2. When the normal mode is activated, the output waveform format can be switched and updated immediately; 10 shortcut groups in the normal mode; | ||||||||
Quick transfer | 10 shortcut groups in harmonic mode; | ||||||||
Protective function | |||||||||
Overload capacity | 105%<overload≤110% cut off the output after 15 seconds 110%<overload≤200% 200%<overload≤300% cut off output after 5 seconds cut off output after 2 seconds 300%<overload, immediately cut off the output | ||||||||
Protective device | Over-current, overload, short-circuit protection, over-heat protection, output over-under-voltage, phase loss protection, bus over-under-voltage, output power contactor automatic trip protection | ||||||||
Software protection | Artificial intelligence monitoring (al-monitor) function, black-box function, auto-lock key lock protection | ||||||||
Remote interface | |||||||||
Communication interface | Standard: RS232, OPTIONAL: RS485, GPIB, ETHERNET | ||||||||
Remote control | Optional: analog control port | ||||||||
Input parameter | |||||||||
Input phase number | Three-phase four-wire+PE | ||||||||
Input voltage range | 380v 57v(l-l) | ||||||||
Input frequency range | 45~65hz | ||||||||
Input power factor | >0.97 (input rated voltage, input 50%-100% rated current) >0.95 (input rated voltage, input 10%-50% rated current) | ||||||||
Input current distortion | <5% (under rated conditions) | ||||||||
Working environment | |||||||||
Operating temperature | 0-40℃ | ||||||||
Working humidity | 20-90% rh (non-condensing) | ||||||||
Volume and weight | |||||||||
Dimensions (w*h*d mm) | 1000*2000*800 | 1800*2000*800 | 2000*2000*1000 | ||||||
Weight (kg) | 510 | 600 | 750 | 1050 | 1350 | 1500 | 1650 | 1850 | 2100 |
Technical Parameters
Product name | Electric Vehicle Feedback Power Grid | |||||||||
Product number | SNEBP 015 -3X | SNEBP 030 -3X | SNEBP 045 -3X | SNEBP 060 -3X | SNEBP 090 -3X | SNEBP 120 -3X | SNEBP 150 -3X | SNEBP 180 -3X | SNEBP 240 -3X | |
Output/absorption capacity | 15kVA | 30kVA | 45kVA | 60kVA | 90kVA | 120kVA | 150kVA | 180kVA | 240kVA | |
Basic functions | ||||||||||
Output function | With comprehensive power grid simulation function | |||||||||
Feedback ability | With the function of 100% energy feedback to the grid | |||||||||
Isolation function | Built-in isolation transformer | |||||||||
Load power factor | +1.0~1.0 | |||||||||
Wiring | Input: three-phase four-wire, output: three-phase four-wire/single-phase two-wire (automatically switch according to the output mode) | |||||||||
Output parameters | ||||||||||
Number of output phases | Three-phase four-wire or single-phase two-wire | |||||||||
Output mode | Three-phase standard mode, three-phase unbalanced mode, parallel single-phase | |||||||||
Output voltage | 0.0~ 300.0V(L-N) | |||||||||
Voltage setting accuracy | Accuracy: ≤0.5% Resolution: 0.1V | |||||||||
Three-phase standard mode, three-phase unbalanced mode | ||||||||||
Rated current | 22.7A | 45.4A | 68.1A | 90.9A | 136.3A | 181.8A | 227.2A | 272.7A | 363.6A | |
Parallel single-phase mode | ||||||||||
Rated current | 68.1A | 136.3A | 204.5A | 272.7A | 409.1A | 545.4A | 681.8A | 818.1A | 1090.9A | |
Output frequency | 45.00~ 65.00Hz | |||||||||
Frequency setting accuracy | Accuracy: 0.02% Resolution: 0.01Hz | |||||||||
Frequency stability | ≤0.02% | |||||||||
Voltage distortion (VTHD) | <1% (Linear load) | |||||||||
Reaction time | <2ms | |||||||||
Voltage sudden change response time | <20ms | |||||||||
Three-phase angle | 120° ± 2° (Three-phase standard mode) | |||||||||
Crest factor | 1.41±0.1 (sine wave mode) | |||||||||
Source voltage effect load effect | ≤1% | |||||||||
Efficient | > 85% | |||||||||
Measurement display | ||||||||||
Display mode | 8-inch color touch screen | |||||||||
Voltage measurement accuracy | Accuracy: 0.2%FS+0.2% display value Resolution: 0.1V | |||||||||
Frequency measurement accuracy | Accuracy: 0.02% Resolution: 0.01Hz | |||||||||
Current measurement accuracy | Accuracy: 0.3%FS+0.3% Display value resolution: 01A/1A | |||||||||
Power measurement accuracy | Accuracy: 0.5%FS+0.5% Display value resolution: 0.1kW/0.01kW/0.001kW |