Engineered to eliminate harmonic interference caused by massive EC fan integration in farm ventilation systems. By purifying grid distortion, it prevents equipment malfunctions, ensuring optimal operational reliability and outstanding power efficiency.
Active Power Filters Stablize EC Fans Application
Active Power Filter 有源电力滤波器
Engineered to eliminate harmonic interference caused by massive EC fan integration in farm ventilation systems, ensuring optimal operational reliability and outstanding efficiency. 专为解决现代农场通风系统中大量 EC 风机引起的谐波干扰而设计，保障设备稳定运行并显著提升用电效率。
Cutting-Edge Features 顶尖技术特性
Ultimate Filtering Performance 卓越的滤除表现
- Harmonic filtering rate is up to 98% with an absolute target of THDi < 10%. 谐波滤除率最高可达 98%，全面确保电流总谐波畸变率 THDi 低于 10%。
- Capable of broad-spectrum mitigation dealing effectively with up to the 50th order harmonics and inter-harmonics. 具备全频段处理能力，可有效应对高达 50 次及以上的各次谐波与间谐波。
Military-Grade Processing Control 军工级核心芯片控制
- Equipped with military-grade FPGA control chips delivering exceptional real-time computing power and robust anti-interference capability. 控制系统搭载军工级 FPGA 芯片，拥有超强的实时数据算力与极高的抗干扰表现。
- All core module parameters and inner loop actions communicate smoothly via high-speed optical fiber. 模块内部所有数据传输均支持光纤通信，具备极强的抗电磁干扰性能。
Adaptive Waveform Optimization 自适应波形智能调节
- Integrates advanced adaptive average current algorithms combined with LCL topology, eliminating network ripple interference common in standard hysteresis designs. 采用自适应电流平均值控制算法并融合 LCL 拓扑结构，有效克服了传统滞环电流控制易产生高频谐波干扰的弊端。
- Automatically tracks system network impedance transformations to dynamically stabilize filtering performance. 智能追踪系统阻抗的剧烈波动并实现自适应控制，确保滤波补偿状态始终稳定。
Highly Reliable Parallel Scalability 高可靠模块化并联架构
- Supports flexible centralized control expanding up to 8 individual filter units operating seamlessly in parallel without circulating currents. 支持高达 8 台有源滤波模块集中运行并联扩展，系统内部无任何模块间环流风险。
- Built tough with a robust IP54-rated wall-mount enclosure tailored precisely to excel in harsh agricultural breeding environments. 整机配备符合 IP54 防护等级的壁挂式坚固外壳，专为严苛的现代化牧场环境度身打造。
How It Works 核心工作原理
The external current transformers capture line distortion signals in real-time. Instantly isolating harmonic profiles, the intelligent IGBT multi-phase converter injects an inverse phase equivalent current, steering chaotic non-linear current paths rapidly back into a pristine sinusoidal signature state. APF 通过外部电流互感器实时采集电网电流信号，内部检测电路精确分离并捕捉典型的畸变谐波成分。接着，核心 IGBT 功率变换器瞬时产生一组幅值相等、相位相反的补偿电流注入系统，瞬间抵消干扰谐波，使扭曲的电流波形平滑回归至健康的近正弦波状态。
Technical Specifications 技术规格参数
| Item技术指标 | Specification Description标准规格参数 |
|---|---|
| Model Capacity产品型号与额定容量 |
APFU-030A (30A)
APFU-050A (50A)
APFU-075A (75A)
APFU-100A (100A)
|
| Input Grid Voltage电网输入额定电压 | 400 V ±20% |
| Grid Phases / Frequency电网相线与额定频率 | 3-phase 4-wire / 3-phase 3-wire; 50/60 ±10% Hz |
| Harmonic Range主要谐波补偿范围 | 2nd to 50th order (Configurable) |
| Dynamic Response Time系统瞬态响应时间 | < 100 µs |
| IGBT Switching FrequencyIGBT 核心开关频率 | 20 KHz |
| System Efficiency整机全载运行效率 | Up to 97.5% |
| Parallel Operation Scaling多机并联运行扩展 | Up to 8 modules connected in parallel |
| Enclosure Protection Rating外壳与模块防护等级 | IP54 (Enclosure) / IP20 (Internal Module) |
| Enclosure Weight设备总重量 | ≈ 25 kg |
| Cooling Mechanics设备散热冷却方式 | Intelligent forced air cooling |
| Mounting Configuration安装配置形式 | Wall mounting |
Active Power Filter 有源电力滤波器
Engineered to eliminate harmonic interference caused by massive EC fan integration in farm ventilation systems, ensuring optimal operational reliability and outstanding efficiency. 专为解决现代农场通风系统中大量 EC 风机引起的谐波干扰而设计，保障设备稳定运行并显著提升用电效率。
Cutting-Edge Features 顶尖技术特性
Ultimate Filtering Performance 卓越的滤除表现
- Harmonic filtering rate is up to 98% with an absolute target of THDi < 10%. 谐波滤除率最高可达 98%，全面确保电流总谐波畸变率 THDi 低于 10%。
- Capable of broad-spectrum mitigation dealing effectively with up to the 50th order harmonics and inter-harmonics. 具备全频段处理能力，可有效应对高达 50 次及以上的各次谐波与间谐波。
Military-Grade Processing Control 军工级核心芯片控制
- Equipped with military-grade FPGA control chips delivering exceptional real-time computing power and robust anti-interference capability. 控制系统搭载军工级 FPGA 芯片，拥有超强的实时数据算力与极高的抗干扰表现。
- All core module parameters and inner loop actions communicate smoothly via high-speed optical fiber. 模块内部所有数据传输均支持光纤通信，具备极强的抗电磁干扰性能。
Adaptive Waveform Optimization 自适应波形智能调节
- Integrates advanced adaptive average current algorithms combined with LCL topology, eliminating network ripple interference common in standard hysteresis designs. 采用自适应电流平均值控制算法并融合 LCL 拓扑结构，有效克服了传统滞环电流控制易产生高频谐波干扰的弊端。
- Automatically tracks system network impedance transformations to dynamically stabilize filtering performance. 智能追踪系统阻抗的剧烈波动并实现自适应控制，确保滤波补偿状态始终稳定。
Highly Reliable Parallel Scalability 高可靠模块化并联架构
- Supports flexible centralized control expanding up to 8 individual filter units operating seamlessly in parallel without circulating currents. 支持高达 8 台有源滤波模块集中运行并联扩展，系统内部无任何模块间环流风险。
- Built tough with a robust IP54-rated wall-mount enclosure tailored precisely to excel in harsh agricultural breeding environments. 整机配备符合 IP54 防护等级的壁挂式坚固外壳，专为严苛的现代化牧场环境度身打造。
How It Works 核心工作原理
The external current transformers capture line distortion signals in real-time. Instantly isolating harmonic profiles, the intelligent IGBT multi-phase converter injects an inverse phase equivalent current, steering chaotic non-linear current paths rapidly back into a pristine sinusoidal signature state. APF 通过外部电流互感器实时采集电网电流信号，内部检测电路精确分离并捕捉典型的畸变谐波成分。接着，核心 IGBT 功率变换器瞬时产生一组幅值相等、相位相反的补偿电流注入系统，瞬间抵消干扰谐波，使扭曲的电流波形平滑回归至健康的近正弦波状态。
Technical Specifications 技术规格参数
| Item技术指标 | Specification Description标准规格参数 |
|---|---|
| Model Capacity产品型号与额定容量 |
APFU-030A (30A)
APFU-050A (50A)
APFU-075A (75A)
APFU-100A (100A)
|
| Input Grid Voltage电网输入额定电压 | 400 V ±20% |
| Grid Phases / Frequency电网相线与额定频率 | 3-phase 4-wire / 3-phase 3-wire; 50/60 ±10% Hz |
| Harmonic Range主要谐波补偿范围 | 2nd to 50th order (Configurable) |
| Dynamic Response Time系统瞬态响应时间 | < 100 µs |
| IGBT Switching FrequencyIGBT 核心开关频率 | 20 KHz |
| System Efficiency整机全载运行效率 | Up to 97.5% |
| Parallel Operation Scaling多机并联运行扩展 | Up to 8 modules connected in parallel |
| Enclosure Protection Rating外壳与模块防护等级 | IP54 (Enclosure) / IP20 (Internal Module) |
| Enclosure Weight设备总重量 | ≈ 25 kg |
| Cooling Mechanics设备散热冷却方式 | Intelligent forced air cooling |
| Mounting Configuration安装配置形式 | Wall mounting |