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High Voltage Diesel Generator Set

High Voltage Diesel Generator Set for Industrial Power Transmission

High-voltage diesel generator sets are suitable for projects requiring direct output of medium- to high-voltage power and efficient power transmission. These generator sets are widely used in industrial facilities, mining, oil and gas fields, and infrastructure projects where long-distance power supply and grid compatibility are essential.

Eliminate the need for step-up transformers
Simplify electrical system architecture
Enable long-distance power supply
Support grid integration and parallel systems

11kv Diesel Generator

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6.6kv Diesel Genset

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Technical Parameters

Item	Specification
Rated Power	800–2000 kVA
Rated Voltage	6.3 kV / 10.5 kV / 11 kV
Frequency	50 Hz / 60 Hz
Engine	High-power diesel engine
Alternator	High-voltage alternator, copper winding
Cooling System	Water-cooled
Control System	Digital intelligent controller
Starting Method	Electric start
Protection Level	Overload, overvoltage, low oil pressure, high temperature

Voltage-Based Classification

Medium Voltage Generator (3.3kV – 6.6kV)

Suitable for industrial distribution systems with moderate transmission distance.
Engineering Configuration:

Medium-voltage alternator (3.3kV / 6.6kV)
Integrated excitation system with AVR control
Standard switchgear interface
Compatible with industrial distribution networks

Typical Applications:

Manufacturing plants
Industrial parks
Large commercial facilities

High Voltage Generator (10kV – 11kV)

Designed for high-capacity and long-distance power transmission.
Engineering Configuration:

High-voltage alternator (10kV / 11kV)
High insulation class and reinforced winding system
Dedicated high-voltage switchgear interface
Protection system integration (overload / short circuit)

Typical Applications:

Mining and resource extraction
Oil & gas projects
Large infrastructure and utility projects

Custom High Voltage Systems(Project-Based Design)

Engineered for complex power systems and grid integration.
Engineering Configuration:

Custom voltage output matching project grid
Synchronization and load-sharing systems
Integrated protection relays and control systems
SCADA / remote monitoring compatibility

Typical Applications:

Power plants and utility backup systems
Data centers and critical infrastructure
Multi-unit parallel power stations

Comparison with Low Voltage Systems

Feature	High Voltage Generator	Low Voltage Generator
Output Voltage	3.3kV – 11kV	400V / 380V
Transmission Distance	Long-distance	Short-distance
Energy Loss	Lower	Higher
System Complexity	Simplified (no step-up transformer)	Requires transformer
Application Scale	Large projects	Small to medium applications

Customization Options

Item	Options
Voltage Level	3.3kV / 6.6kV / 10kV / 11kV
Alternator Type	Medium/high voltage alternator
Control System	Standard control panel / PLC control system
Protection System	Overload / Short circuit / Relay protection
Synchronization System	Standalone / Parallel operation system
Monitoring System	Local control / Remote monitoring (SCADA-ready)
Cooling System	Standard / High-temperature design
Enclosure Type	Open type / Weatherproof enclosure
Fuel Tank	Base tank / External extended tank

Selection Guide

Buyers typically select based on:

Required output level matching existing systems

Transmission distance and efficiency requirements

Total load demand and project scale

Integration with the current electrical infrastructure

Need for synchronization or parallel operation

Packaging & Shipping

Lead Time	15–25 working days
Packaging	Generators are packed with shockproof, plywood, and waterproof materials to prevent damage during transportation
Payment Method	T/T, Trade Assurance, Paypal, Western Union, Credit Card, L/C etc.
Shipping	Sea freight, air freight, and express delivery options are available

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Our Certificates

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FAQ

Q: When should I choose a high-voltage diesel generator instead of a low-voltage unit?

A: A high-voltage diesel generator is typically selected when power needs to be transmitted over long distances or directly integrated into a medium or high-voltage distribution system. It reduces current, lowers transmission loss, and avoids the need for step-up transformers in large-scale projects.

Q: How to determine the appropriate voltage level?

A: The voltage level should match the project’s electrical infrastructure and consider transmission distance and load requirements.

Q: Can these systems operate with existing grids?

A: Yes, with proper synchronization and protection systems, they can operate in parallel with other power sources.

Q: What additional equipment is required?

A: Switchgear, protection devices, and appropriate cabling are required to ensure safe and stable operation.

Q: Are high-voltage generators more efficient than low-voltage systems?

A: They are more efficient for large-scale and long-distance power transmission because higher voltage reduces current, which in turn minimizes energy loss in cables and improves overall system efficiency.

Q: What are the key factors when selecting a high-voltage generator?

A: Selection is mainly based on required voltage level, transmission distance, system integration requirements, total load demand, and whether the system needs to operate in parallel or connect to an existing grid.

We're well-known as one of the leading high voltage diesel generator set manufacturers and suppliers in China. We warmly welcome you to buy advanced high voltage diesel generator set at competitive price from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.