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Active harmonic filters present a multitude of advantages, rendering them a preferred choice across various applications:
1. Precise Harmonic Management: Leveraging a closed-loop control mechanism, active harmonic filters exhibit remarkable precision in harmonics elimination. This precision safeguards a consistently high power quality.
2. Real-Time Adaptation: Compared to passive filters, active harmonic filters excel in swiftly adapting to fluctuations within the electrical network, ensuring effective and efficient corrective actions.
3. Enhanced Power Factor: These filters contribute to power factor improvement, alleviating strain on the power distribution system. This, in turn, results in energy savings and reduced utility expenses.
4. Equipment Preservation: By eradicating harmonics and voltage distortions, active harmonic filters prolong the lifespan of delicate equipment, thereby curbing maintenance costs.
5. Financial Efficiency: While active harmonic filters entail a higher initial investment, their long-term benefits, such as minimized downtime, energy conservation, and prolonged equipment durability, render them a financially prudent choice.
6. Regulatory Compliance: Active harmonic filters aid facilities in adhering to international power quality standards and regulations, ensuring a dependable and consistent power supply.
Petrochemical industry, data center, hospital industry, pharmaceutical manufacturing, steel industry, semiconductor manufacturing, light industry and textile industry, etc.
TYPE | Series 220V | Series 400V | Series 500V | Series 690V |
Max neutral wire current | 23A | 15A 、25A 、50A、 75A 、100A 、150A | 100A | 100A |
Nominal voltage | AC220V(-20%~+20%) | AC380V(-20%~+20%) | AC500V(-20%~+20%) | AC690V(-20%~+20%) |
Rated frequency | 50Hz±5% | |||
Network | Single phase | Three-phase three-wire/three-phase four-wire | ||
Response time | <40ms | |||
Harmonics filtering | 2th to 50th Harmonics,The number of compensation can be selected, and the range of single compensation can be adjusted | |||
Harmonic compensation rate | >92% | |||
Neutral line filtering capability | / | The filtering capacity of three-phase four-wire neutral line is 3 times of that of phase filtering | ||
machine efficiency | >97% | |||
Switching frequency | 32kHz | 16kHz | 12.8kHz | 12 .8kHz |
Feature selection | Deal with harmonics/Deal with harmonics and reactive power | Deal with harmonics/Deal with harmonics and reactive power/ Deal with harmonics and three-phase unbalance /Three options | ||
Numbers in parallel | No limitation. A single centralized monitoring module can be equipped with up to 8 power modules | |||
Communication methods | Two-channel RS485 communication interface (support GPRS/WIFI wireless communication) | |||
Altitude without derating | <2000m | |||
Temperature | -20~+50°C | |||
Humidity | <90% RH,The average monthly minimum temperature is 25℃ without condensation on the surface | |||
Pollution level | Below level Ⅲ | |||
Protection function | Overload protection, hardware over-current protection, over-voltage protection, power failure | |||
Noise | <50dB | <60dB | <65dB | |
Installation | Rack/wall hanging | Rack | ||
Into the way of line | Back entry (rack type), top entry (wall-mounted) | Top entry | ||
Protection grade | IP20 | |||