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Home Page > Solutions > Low-frequency harmonic pollution treatment scheme

Introduction to the scheme

This scheme, achieved by BGMD-AMZ active filter series, can dynamically filter the harmonic current and is characterized by thorough filtering effect, effective filtering of higher harmonic and effective suppression of harmonics;

The core is composed of the power electronics converter circuit and harmonic detection algorithm. The two algorithm modes of Fast Fourier transform and instantaneous reactive power can be freely switched.

Application domain

Application scenarios

1. Application scenarios with many frequency conversion equipments and unsteady load

2. Iron and steel smelting industry

3. Harbor machinery electric railway system

4. High-precision automatic production line

5. Energy saving lamp and air conditioner centralized places such as office building and large commercial district

Application effect

This scheme can achieve rapid and real-time tracking and filtering of the harmonics and select to filter each harmonic current within 2 ~50 times once and to filter fixed times flexibly.

Related case

Scheme selection如需更详细技术资料，请致电021-62603561

● Model selection table of three-phase four-wire active filter

Apply to the three-phase four-wire system with neutral line, filter the harmonic current in the neutral line and compensate the reactive power and phase imbalance.

Model	Current (A)	System voltage (V)	Filter capacity	Applicable cabinet type (WDH) mm
BGMD-AMZ2-50-4-400V	50	400V	＞98%	8008002200
BGMD-AMZ2-75-4-400V	75	400V	＞98%	8008002200
BGMD-AMZ2-100-4-400V	100	400V	＞98%	8008002200
BGMD-AMZ2-150-4-400V	150	400V	＞98%	8008002200
BGMD-AMZ2-200-4-400V	200	400V	＞98%	8008002200

Other specifications can be customized. The equipment is applied to the system of no more than 1000V. For details, consult the company.

Model selection of three-phase three-wire active filter

Apply to the three-phase three-wire 400V system without neutral line and compensate the reactive power.

Model	Current (A)	System voltage (V)	Filter capacity	Applicable cabinet type (WDH) mm
BGMD-AMZ2-50-3-400V	50	400V	＞98%	8008002200
BGMD-AMZ2-75-3-400V	75	400V	＞98%	8008002200
BGMD-AMZ2-100-3-400V	100	400V	＞98%	8008002200
BGMD-AMZ2-150-3-400V	150	400V	＞98%	8008002200
BGMD-AMZ2-200-3-400V	200	400V	＞98%	8008002200

Other specifications can be customized. The equipment is applied to the system of no more than 1000V. For details, consult the company.

Apply to the three-phase three-wire 690V system without neutral line and compensate the reactive power.

Model	Current (A)	System voltage (V)	Filter capacity	Applicable cabinet type (WDH) mm
BGMD-AMZ2-75-3-690V	75	690V	＞98%	8008002200
BGMD-AMZ2-100-3-690V	100	690V	＞98%	8008002200
BGMD-AMZ2-150-3-690V	150	690V	＞98%	8008002200

Other specifications can be customized. The equipment is applied to the system of no more than 1000V. For details, consult the company.

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