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High Voltage Induction Motors
WPI / WPII Weather-Protected HV Motor, 200-10,000 HP, Class I Div. 2
Wolong WPI / WPII weather-protected high-voltage induction motor: frames H355 - 710, 200 - 10,000 HP, 2 - 13.8 kV, IE4 and above, Class I Division 2 / Zone 2, UL, CSA and IECEx, NEMA and API designs.
- Genuine Wolong NanyangOriginal factory nameplate, test report and documents
- Certified for hazardous areasATEX, IECEx, CSA, EAC, CNEX and CCC certificates held by Wolong Nanyang
- Model check in 24 hoursEngineers match power, voltage, Ex marking and mounting
- Worldwide deliverySeaworthy export packing, CIF or with your forwarder
Product Description
The WPI / WPII series is Wolong's weather-protected open high-voltage induction motor for North American and international projects. It is designed to IEC, NEMA, API, NEC and CEC requirements and is available with UL, CSA and IECEx certification for Class I Division 2 and Class I Zone 2 locations.
Compared with earlier designs it offers a lower shaft height for the same power, higher efficiency (IE4 and above), lower noise and lower starting current, so it puts less stress on the supply network. Typical drives are fans, compressors, pumps, crushers and conveyors in mining, metallurgy, oil, chemical and power plants.
Key Specifications
| Frame size | H355 - 710 |
|---|---|
| Rated power | 200 - 10,000 HP |
| Rated voltage | 2000 - 13,800 V |
| Speed range | 280 - 3600 r/min |
| Frequency | Fixed 50 / 60 Hz, or variable-frequency duty |
| Efficiency | IE4 and above |
| Enclosure | Weather-protected open, up to IP24 |
| Cooling | IC01, IC06 |
| Hazardous locations | Class I Division 2, Class I Zone 2 |
| Standards | IEC, NEMA, API, NEC, CEC |
| Certification | IECEx, CSA, UL |
| Rotor | Die-cast aluminium or copper bar |
| Mounting | IM B3 |
| Vibration | 1.2 mm/s or lower |
| Noise | Lp 82 dB(A) or lower |
| Ambient | -20 to +40 °C standard, -60 to +60 °C to order; humidity up to 90 % at 25 °C |
| Altitude | Up to 1000 m standard, 1000 - 5000 m to order |
Design Features
- Long insulation life and a bearing system with high load capacity
- Steel-plate main structure; frame, core and cooler are modular, so the design adapts to many customer requirements
- Larger grease space extends relubrication intervals by 1.5 times
- Low starting current for less impact on the grid
- Whole-life service support from Wolong
WPI or WPII?
Both terms come from NEMA MG 1. A Weather-Protected Type I motor is an open machine whose ventilating openings keep out rain, snow and airborne particles to a basic level. A Weather-Protected Type II motor adds intake and exhaust paths that make the air change direction several times and pass a low-velocity zone, so rain and dust drop out before they reach the electrical parts. WPII is the usual choice for outdoor installations without a motor house.
Applications
Fans, compressors, pumps, crushers, conveyors and general machinery in mining, metallurgy, oil and gas, chemical and power plants, including Division 2 / Zone 2 areas.
Common Questions
What power range does the WPI cover?
The WPI covers 200 - 10,000 HP.
Which voltages are available for the WPI?
Rated voltage: 2000 - 13,800 V. Other voltages can be checked on request.
How is the WPI cooled?
Cooling method: IC01, IC06.
Documents Supplied with the Motor
For each order we can provide the technical data sheet, outline drawing, routine test report and, for explosion-proof motors, a copy of the Ex certificate that matches the nameplate marking. Tell us in the inquiry which documents your project or your inspector requires, so they are prepared before shipment.
Related Products
- YDPKK Multi-Phase Variable-Frequency HV Motor
- YR High-Voltage Wound-Rotor (Slip-Ring) Induction Motor
- Low Starting Current HV Motor (Laurence Scott Design)
How to Order
For a fast, accurate quotation please send: rated power (kW), voltage and frequency, number of poles or speed, Ex marking or hazardous zone, mounting type, quantity and destination port. For a replacement, a photo of the old motor nameplate is the quickest way to match it.
Frequently Asked Questions
Do your explosion-proof motors have ATEX and IECEx certificates?
Yes. Wolong Nanyang explosion-proof motors, both low-voltage and high-voltage, are available with ATEX and IECEx certificates for Europe and international projects, and GOST for the Russian market. Tell us which certificate you need when you ask for a quote.
Can this motor replace my existing motor?
Yes. For new projects we quote and select the model to your requirements. For a replacement, please send a nameplate photo or outline drawing of the old motor, and we will match the shaft height, mounting and installation dimensions.
Can you supply replacements for Schorch, Brook Crompton or Morley motors?
Yes. Schorch, Brook Crompton and Morley belong to the Wolong Electric Group, and we can supply Wolong motors built to replace them, matched to your mounting dimensions.
Can you ship to my country, and what is the lead time?
Yes. We ship worldwide on CIF terms, or you can use your own forwarder. The usual production time is about 3 months, depending on the model and quantity.
What information do you need for a quotation?
Rated power (kW), voltage and frequency, number of poles or speed, Ex marking or hazardous zone, mounting type (e.g. B3, B35, V1), quantity and destination port. A nameplate photo of the old motor helps if it is a replacement.
Get a Quote for WPI / WPII Weather-Protected HV Motor, 200-10,000 HP, Class I Div. 2
Send us your requirements. An engineer will reply with a model check and price within 24 hours.
