WERNA Self-excited Double Bearing Alternator 200kW 250kVA Brushless Generator with H Class Insulation

Price Negotiable
Price: negotiation
MOQ: 1 pcs
Delivery Time: Within 10 days
Brand: Werna
Product Description
Product Overview

WERNA Self-excited Double Bearing Alternator is a high-performance brushless generator delivering 200kW / 250kVA power output. This industrial-grade alternator features advanced brushless synchronous excitation technology and meets international certification standards.

Technical Specifications
Parameter Specification
Power Rating 200kW / 250kVA
Output Type AC Three Phase Brushless Generator
Terminal Configuration 12 / 6 Wire
Rated Voltage 110V~690V
Frequency 50Hz/60Hz
Speed 1500RPM/1800RPM
Mounting Dimension Copy Stamford Type
Winding Pitch 2/3 Pitch
Excitation System Brushless, Self-excited, Synchronous
Insulation Class H Class
Waveform Distortion No Load <1.5%, Balanced Linear Load <5%
THF/TIF Rating THF <2%, TIF <50
Key Features
Advanced Excitation

Permanent magnetic generators provide invariable excitation under all operating conditions, ensuring stable power output.

Network Compatibility

Easy connection with power networks or other generators. Standard 2/3 pitch windings prevent excessive midline current.

Robust Construction

Balanced rotor with double sealed ball bearings for enhanced durability and reduced vibration.

Maintenance Access

Convenient installation and maintenance with easy access to terminals, rotating diodes, and coupling bolts.

Mechanical Features
  • Industrial standard IP22 protection rating
  • Precision balanced rotors with vibration levels below BS6861 P.1,G 2.5 standards
  • Three-field alternator with 12 leads in terminal box
  • Advanced voltage regulation via AVR potentiometer
Electrical Performance
  • H Class insulation with special materials and immersion lacquer
  • 2/3 pitch winding design eliminates third harmonic waves
  • Continuous damp windings reduce voltage surges
  • Minimal phone and radio interference (THF <2%, TIF <50)
Optional Features
  • Adapters and drive disks
  • Remote voltage adjustment
  • IP23 enclosure upgrade
  • Space heaters
  • Thermistors
Quality Assurance & Warranty

Factory Testing: Each unit undergoes 4+ hours of commissioning including idle load, full load, and 10% overload testing. Noise level, control panel meters, and appearance are thoroughly inspected.

Warranty: 1 year or 1200 hours (whichever comes first) from ex-factory date. Includes free replacement of quality-related damaged parts.

Manufacturing Standards

Complies with GB755, BS 5000 Part 3, VDE 0530, NEMA MG1-22, IEC34, CSA C22.2-100, and ASB59 international standards.

Why Choose WERNA Alternator?
  • 100% copper winding wire for superior conductivity
  • Available from stock with fast delivery
  • Two-year warranty coverage
  • Competitive pricing with premium quality
  • Two-time vacuum impregnation dipping process
  • Comprehensive quality control team
  • CE and ISO9001 certified
  • Excellent after-sales service support
WERNA Self-excited Double Bearing Alternator 200kW/250kVA industrial generator unit

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Wuxi Werna Alternator Co., Ltd.
Location No.13Chunsun west Road, Xishan Economic Development Zone, Wuxi City
Contact Person Terry

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