逆变器测试负载组

GROADA-AC380V-30KW-RCD逆变器负载组

★★★★★
主要产品:
  • 交流负载组:R/RL/RLC/RCD
  • 直流负载组:DC5V-2000V,0A-5000A


模型AC220V-5KW-RCDAC220V-10KW-RCDAC220V-15KW-RCDAC220V-20KW-RCD交流380v-30千瓦/日交流380v-50KW-RCD交流380v-60KW-RCD交流380v-100KW-RCD交流380v-200KW-RCD
额定功率R=5KWR=10KWR=15KWR=20KWR=30KWR=50KWR=60KWR=100KWR=200KW
RCD=5KVARCD=10KVARCD=15KVARCD=20KVARCD=30KVARCD=50KVARCD=60KVARCD=100KVARCD=200KVA
输入电流0-22A0-45A0-45A0-90A0-45A0-3:000-450A0-600A0-750A
尺寸(宽*深*高mm)500*600*800500*600*1000500*600*1100500*750*1100600*850*1400600*850*1600600*850*1850700*1000*18001100*1400*1800
重量50KG80公斤100公斤130公斤200KG300公斤350公斤450公斤550公斤
输入电压交流220/230V交流380/400V
其他输入电压可根据要求定制
最小载荷100W100W100W100W100W1千瓦1千瓦1千瓦1千瓦
其他最小负载功率可根据要求定制
整体精度3%(其他精度要求可根据要求定制)
功率因数PF=0.6~1.0
峰形系数2至3
控制模式本地手动/远程主机(本地手动控制模式:断路器/按钮/触摸屏三路可选,其他方法可根据需要定制)
远程接口RS232/RS485/USB/RJ45/CAN/GPIB(其他接口模式可根据要求定制)
保护功能紧急停机保护、超温保护、风机负载联锁保护、接地保护(选择过压保护、过流保护、短路保护、风机超负荷、风量不足)
工作电源AC220VAC220V/AC380V
显示精度0.5级(其他显式精度可根据要求定制)
显示参数电压、电流、功率、频率、功率因数等。(其他显式方法可根据要求定制)
冷肯定的方式侧进风口和上出风口(其他出风口方式可根据要求定制)
保护级别IP20(其他防护等级可根据要求定制)
外观颜色RAL7035(其他颜色可根据要求定制)
工作温度-10 ℃ ~ 55 ℃
相对湿度≤95%相对湿度
高度≤2500米



AC-380V 30 kW RCD Inverter Load Bank — High-Precision Testing Solution

Why Choose a Dedicated Inverter Load Bank?

Inverter testing under realistic and controllable loads is essential for verifying performance, reliability, durability, and safety. A properly designed load bank allows:

  • Reproducible stress testing under full load, partial load, and transient conditions

  • Control over resistive, inductive, or combined loads simulating real-world motor or grid interactions

  • Validation of protection circuits (overcurrent, overvoltage, thermal shutdown)

  • Verification of long-term thermal stability, aging, and component degradation

Without such a load bank, inverter testing may rely solely on field conditions or motor coupling, which can obscure root cause analysis and reduce repeatability.

In fact, industry-standard test labs use both passive (resistive/inductive) and active loads (regenerative electronic loads or motor emulators) to fully stress inverters. 


Product Overview: AC 380V 30 kW RCD Load Bank

This product page presents a high-precision inverter load bank, specifically designed for AC 380 V systems, capable of handling up to 30 kW rated load. Below is an enhanced, SEO-optimized description:

Key Specifications & Features

  • Nominal Voltage: 380 V AC

  • 额定功率: 30 kW continuous

  • 负载类型: RCD (Resistive + Capacitive + Inductive combinations)

  • Load Control Modes: stepwise or continuous adjustment, enabling partial load (e.g. 10 %, 25 %, 50 %, 75 %, 100 %)

  • Cooling & Thermal Management: forced-air or liquid cooling to maintain stable temperatures under full load

  • Protection Mechanisms: overcurrent, overvoltage, short-circuit, phase loss, overheating

  • Load Bank Construction: high-stability precision resistors/inductors, modular load elements

  • Measurement & Monitoring: integrated current, voltage, power, and temperature sensors; optional logging or remote communication

These features empower R&D labs, quality assurance teams, and inverter manufacturers to test inverters precisely under controlled, repeatable load conditions.


Applications & Use Cases

1. Inverter Development & Validation

During the design and prototyping phases, engineers can use this load bank to:

  • Verify full-load performance, thermal limits, and efficiency curves

  • Stress-test inverter switching components (IGBTs, MOSFETs)

  • Simulate part-load, transient, and overload scenarios

  • Validate cooling systems under real thermal load

2. Production & Quality Assurance (QA)

In mass manufacturing, this load bank can be integrated into automatic test sequences:

  • Run “burn-in” or "soak" tests to detect early-life failures 

  • Ensure each unit meets declared performance before shipping

  • Automate pass/fail criteria based on voltage, current, power, and temperature thresholds

3. Maintenance & Field Verification

After deployment (in solar farms, microgrids, industrial power systems), periodic or after-maintenance tests help:

  • Confirm the inverter still performs within specification

  • Detect degradation (e.g. diminished cooling, capacitor aging)

  • Validate protection circuits and safety margins

Testing inverters with a load bank is considered a best practice in many critical power installations to prevent unexpected failure. 


Testing Methodology: How to Use the Load Bank Correctly

Below is a recommended step-by-step workflow and key considerations:

PhaseActionsPurpose / Checks
Setup & Safety CheckInspect wiring, ensure insulation and grounding, perform open-circuit checksPrevent shorts or unsafe conditions
No-load / Idle MeasurementRun inverter unloaded, measure baseline current, voltage, harmonic distortionConfirm zero-load behavior and idle losses
Step Load RampApply incremental loads (e.g. 10 %, 25 %, 50 %, 75 %, 100 %)Assess linearity, thermal drift, current stability
Full-load Endurance / Soak TestRun at full load for extended duration (hours to days)Monitor temperature, drift, cooling effectiveness
Transient TestsIntroduce load steps, sudden load removal (load rejection), or overload transientsMeasure inverter’s dynamic response, grid-interaction behavior 
Protection VerificationDeliberately exceed ratings to trigger overcurrent, overvoltage, or thermal protectionsValidate that safety circuits engage reliably

Important Best Practices & Precautions

  • Always wear proper PPE (insulating gloves, goggles) when handling high-voltage systems.

  • Ensure the load bank and inverter are in good ventilation and clean environment (no dust accumulation).

  • Use power meters or precision instrumentation to measure input/output, so your efficiency calculations are accurate. 

  • Avoid exceeding design limits of the inverter or load bank – inconsistent or overloaded operation can damage components.

  • Record all data logs systematically for traceability and future analysis.


Differentiation & Advantages (Establishing Authority & Trust)

To support EEAT and improve trust, you may wish to include:

  • Testing data and charts (efficiency curve, thermal profiles)

  • Third-party lab certifications (e.g. IEC, UL, CE compliance)

  • Case studies or whitepapers where this or similar load banks have been used (e.g. in inverter manufacturers’ labs)

  • Technical team credentials (engineers, years in power electronics, publications)

  • Guarantees and warranty terms, e.g. accuracy drift, calibration support

Our AC 380V 30 kW RCD Inverter Load Bank is engineered by a team with over 10 years of experience in power electronics test systems. Designed for R&D, QA, and maintenance verification, it meets international accuracy and safety standards. Each unit is factory-calibrated and accompanied by a calibration certificate. We also offer custom configurations (higher power, alternate voltages, communication interfaces) to support evolving test requirements.

我们的产品