Silicon Carbide switching device. > 100 kHz switching frequency, 4 µs instantaneous response, up to 98% efficiency. Dedicated active harmonic filter for steel mills, arc furnaces and other severe harmonic loads.
GRIDSINE-X is the active harmonic filter of the Premium SiC Series. It uses Silicon Carbide switching devices with firmware set up for harmonic filtering only, on 220V to 380V heavy industrial systems.
Modules are rated 20 A to 200 A. With filtering effectiveness of up to 98%, THDi at the point of common coupling drops below 5%. Instantaneous response is 4 µs, so transient harmonics are cancelled before they spread through the network.
Filtering covers the 2nd to 51st harmonic, each order selectable on its own. This targets the spectrum that arc furnaces, large presses and crane drives actually produce.
Values from the GRIDSINE-X datasheet. 220V to 380V, 20 A to 200 A modules.
| Parameter | Specification |
|---|---|
| Product series | GRIDSINE-X — Premium SiC Active Harmonic Filter (AHF) |
| Control algorithm | Current dual closed-loop active damping |
| Switching device | Silicon Carbide (SiC) |
| Function | AHF (Active Harmonic Filtering) — dedicated mode |
| Operating voltage | 220V ~ 380V |
| Frequency | 50 / 60 Hz |
| Connection type | 3-Phase 3-Wire (3P3W) and 3-Phase 4-Wire (3P4W) |
| Module capacity | 20 · 35 · 50 · 75 · 100 · 200 A |
| Instantaneous response | 4 µs |
| Full response time | 1/4 cycle (harmonic) / 1 cycle (fundamental) |
| Switching frequency | > 100 kHz |
| System efficiency | ≥ 98% |
| Harmonic filtering range | 2nd – 51st harmonic (independent per-order selection) |
| Filtering effectiveness | ≥ 98% |
| THDi target | < 5% at PCC |
| Resonance suppression | Active suppression |
| 3-Phase load balancing | Yes — active phase and neutral current balancing |
| Max. parallel modules | Up to 10 modules (smart rotation) |
| Overload capacity | 110% Continuous |
| Operating temperature | −10°C ~ +40°C (derating 2.5%/°C from 40°C to 50°C) |
| Communication interface | Bluetooth / Mobile APP, RS485 / CAN / RJ45 |
| IP protection | IP20 |
| Standards | IEC 61000 / IEEE 519 |
The SiC stage reacts to arc furnace transients, crane impacts and press cycles in 4 microseconds, before the disturbance reaches the grid.
SiC switches at over 100 kHz. The compensation current is closer to a clean sine wave, so cancellation is more exact at every order.
Filtering covers the 2nd to the 51st order. Each order can be enabled or disabled on its own, so the filter is tuned to the measured load profile.
Filtering effectiveness up to 98% at rated capacity. THDi at the PCC falls below 5%, including on arc furnace and rolling mill feeders.
Up to 10 modules in parallel with smart rotation, which spreads operating hours evenly. A faulty module isolates itself and the others raise their output.
Harmonic priorities, filtering targets and load sharing ratios are set and monitored from the mobile application over Bluetooth.
20, 35, 50, 75, 100 and 200 A on the same SiC platform. Capacities can be mixed within one parallel group of up to 10 modules.
All modules: IP20 · 3P3W / 3P4W · Bluetooth / Mobile APP, RS485 / CAN / RJ45 · IEC 61000 / IEEE 519
Mixed-capacity parallel operation, up to 10 modules per group
Three cases where the 4 µs response or the per-order selection decides the choice.
Arc furnaces are the harshest harmonic source. The 4 µs SiC response cancels their harmonics before they distort the voltage for neighbouring equipment.
Large motor drives and crane systems on one bus. Independent per-order selection targets the spectrum each load produces.
Welding lines, paint line rectifiers and large press drives produce transient harmonics. The 4 µs instantaneous response and quarter-cycle full response cancel them.
Module count, redundancy and cabinet layout follow from the harmonic measurement data. Sizing is free of charge before any commitment.
Technical documents for this product. Ask for a document still in preparation and we will send it as soon as it is ready.
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