Электронная нагрузка постоянного wocen 800v 1000a 250kw регенеративная активных сопротивлений для цепи переменного тока испытательным оборудованием и R &
- Категории: Other Power Supplies >>>
- Поставщик: Shandong,Wocen,Power,Source,Equipment,Co.,Ltd
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Описание и отзывы
Характеристики
Product Introduction
The regenerative DC electronic load is specially developed for fuel cell engine test, fuel cell stack, fuel cell DCDC test, charging pile aging test, etc. It adopts four-quadrant PWM rectification, bidirectional buck conversion, pure digital control and other core technologies, and has main features such as 100% energy feedback, high precision, fast transient characteristics, high conversion efficiency, low pollution to the power grid, rich communication interfaces, powerful protection functions and others.
CR/CV/CC/CP Working Mode:
When used as a power supply, it has CV/CC/CP working modes;When operating as a load, the CC/CR/CV/CP working mode can be selected.
Diverse Communication Interface Design：
With a variety of communication interfaces, RS485 and CAN interfaces are standard, and Ethernet is optional.
Specification
Work Mode | CV/CC/CP/CR | ||
Voltage Accuracy | ≤0.1%FS | ||
Voltage Resolution | 0.01V | ||
Current Accuracy | ≤0.1%FS | ||
Current Resolution | 0.01A | ||
Current Ripple | ≤0.1%FS | ||
Power Resolution | 0.01kW | ||
Response Time | ≤10ms（10%-90%sudden loading） | ||
AC Feature | AC Voltage | Three-phase,three-line+PE，380Vac±10% | |
AC Frequency | 50Hz±5Hz | ||
Feedback Power | Full power energy range feedback | ||
Current Harmonics | ＜3% | ||
Power Factor | ≥0.99 | ||
Overall Efficiency | ≥93%（maximum efficiency） | ||
Communications and Operations | Human-machine Interface | Touch screen | |
Communication Interface | Standard for RS485 & CAN2.0B; Optional Ethernet | ||
Communication response speed | 10ms | ||
Protection | DC overvoltage/overcurrent/overpower, AC phase loss/overvoltage/overcurrent/overpower, IGBT/magnetic device overtemperature | ||
Safety Features | Insulation Resistance | ≥20MΩ | |
Withstand Voltage Ability | 2000Vdc (60s), no arcing or breakdown | ||
Grounding Resistance | ≤100mΩ | ||
Working Environment | Protection Degree | IP21 (indoor) | |
Temperature | ~10℃～45℃ | ||
Humidity | 10% ~ 90% (non-condensing) | ||
Height | ≤2000m | ||
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