Side-by-side
Solid-State 400Hz Ground Power Unit / Static Frequency Converter (40-144 kW), made by MAK Controls & Systems vs Watex Containerised UHP Water-Jetting Power Pack (runway rubber-removal pump unit)
Spec comparison for two products on Aviation Souk. Both compete in Ground Support Equipment (GSE).
Ground Support Equipment (GSE)
Solid-State 400Hz Ground Power Unit / Static Frequency Converter (40-144 kW), made by MAK Controls & Systems
by MAK Controls & Systems
Solid-state 400Hz ground power unit drawing from fixed airport power and converting it to aircraft-standard 400Hz at up to 144 kW, with unity power factor and below-65 dBA noise.
Ground Support Equipment (GSE)
Watex Containerised UHP Water-Jetting Power Pack (runway rubber-removal pump unit)
by Watex (Nanjing Watex Tech Co., Ltd.)
Diesel-powered containerised UHP pump unit that supplies up to 2,780 bar to a towed or vehicle-mounted cleaning panel — the deployable power source for runway rubber removal.
| Cost of ownership | Solid-State 400Hz Ground Power Unit / Static Frequency Converter (40-144 kW), made by MAK Controls & Systems | Watex Containerised UHP Water-Jetting Power Pack (runway rubber-removal pump unit) |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Solid-State 400Hz Ground Power Unit / Static Frequency Converter (40-144 kW), made by MAK Controls & Systems | Watex Containerised UHP Water-Jetting Power Pack (runway rubber-removal pump unit) |
|---|---|---|
| Output power range | 40 to 144 kW | — |
| Input voltage | 3-phase 400 / 415 V AC ±15% | — |
| Input frequency range | 45 to 65 Hz | — |
| Output voltage | 3-phase 200 V (L-L) ±1% | — |
| Output frequency | 400 Hz ±0.01% (crystal controlled) | — |
| Conversion efficiency | 87–95% | — |
| Input power factor (full load) | 0.99 (unity via APFC) | — |
| Output THD | <2% at linear load | — |
| Voltage regulation (static) | ±1% across 0–100% load | — |
| Dynamic voltage recovery | 5% disturbance recovered within 40 ms | — |
| Overload capacity | 150% continuous; 200% for 2 s | — |
| Noise level | <65 dBA at 1 m | — |
| Enclosure | IP54, CE certified | — |
| Operating temperature | -20°C to +55°C | — |
| Altitude (no de-rating) | Up to 2,500 m | — |
| Mounting configurations | Fixed installation / trailer-mounted / jet-bridge integrated | — |
| Max working pressure | — | 2,780 bar (40,000 psi) |
| Pump configuration | — | Three- or five-piston plunger |
| Pump efficiency gain vs standard | — | Up to +25 % |
| Diesel engine | — | Cummins (or Weichai / Volvo per spec) |
| Engine max speed | — | 1,900 rpm |
| Diesel consumption reduction vs standard | — | Up to −10 % |
| Water tank capacity | — | ~950 litres (250 US gal) |
| Tank material | — | 304 stainless steel, 3 mm laser-welded |
| Filtration | — | 4-stage, 200 gpm triple filters, 1 µm final stage |
| Control system IP rating | — | IP 65 |
| Vibration reduction (anti-vibration mounts) | — | Up to 50 % |
| Engine oil change interval | — | 1,000 hours |
| Frame finish | — | Galvanised anti-corrosion |
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