Passive Filter Compensation for High Pass Detuning Filtering

The HVPF series high-voltage passive harmonic filter is mainly used to solve 'power pollution' problems in industrial grids. Specifically, it can effectively filter out high-order harmonics (generated by non-linear loads such as VFDs and rectifiers) while simultaneously providing reactive power compensation. This improves voltage quality, reduces equipment losses, increases the power factor, and ensures safe and stable grid operation.

The filter consists of filter capacitors, reactors, and (optionally) resistors forming a filtering circuit that is connected in parallel with the harmonic source being mitigated. Its core principle is to provide a very low impedance path for specific high-order harmonics (e.g., 5th, 7th), allowing most of the harmonic current to flow into the filter instead of spreading into the main grid. This keeps grid harmonic distortion within permissible standard limits. Meanwhile, at the fundamental frequ

The product supports flexible topologies and can be configured as single-tuned, double-tuned, or high-pass filters to target major high-order harmonics like the 3rd, 5th, 7th, 11th, and 13th. Regarding compensation, it can raise the power factor to above 0.95 and ensures filtering performance complies with Chinese National Standard GB/T 14549 and international standards like IEEE 519.

Selection is not a simple 'buy and install' process; it is a customized process based on precise simulation and on-site data. You need to provide: System Parameters (Transformer data, short-circuit capacity, single-line diagram), Harmonic Source Information (Type of equipment like VFDs, parameters, and test data), Installation Conditions (Site environment, dimensions, protection level), and Performance Requirements (Target power factor, allowable distortion). Sanhe will use this information for

The product features multiple safety mechanisms: Electrical Protection includes overvoltage, undervoltage, overcurrent, unbalance, and fuse protection. Physical Safety standardly includes a live display and electromagnetic forced interlock to ensure personnel safety during maintenance and inspection.