Automatic Fire Suppression System for Wind Turbine Generators

I. Solution Overview

Chenfeng Lingchuang is committed to providing efficient and reliable automatic fire suppression solutions for wind turbine generators. Among the most commonly adopted configurations in the industry are the 3 kg thermal aerosol automatic fire suppression system and miniature thermal aerosol fire suppression devices equipped with temperature-sensing magnetic power-generation actuators.

These solutions fully comply with applicable domestic fire protection regulations and offer advantages such as simple operation, high reliability, and strong adaptability to complex operating environments, effectively ensuring the fire safety of wind turbine generators.

II. Solution Details

1. 3 kg Thermal Aerosol Automatic Fire Suppression System

Model: QRR3GW/S-CFLC

(1) Technical Features

• Designed in accordance with the structural characteristics and operating conditions of wind turbines

• No routine inspection required, easy to operate

• Utilizes a passive self-activating detection cable, distributed around the top perimeter of the nacelle, as well as at key fire-risk areas such as the generator and gearbox tops

• All thermal aerosol fire suppression devices are connected in series

• Equipped with a mechanical temperature-sensing magnetic power-generation actuator

• Automatic activation at 93 °C, with passive dry-contact feedback signal output after discharge

(2) Installation Locations

• Suspended on both sides of the nacelle

• Inside nacelle control cabinets

• Inside frequency converter cabinets

• Above the cables at the bottom of the generator

(3) System Configuration List

2. Miniature Thermal Aerosol Fire Suppression Device

Model: QRR0.1GW/S-CFLC

(1) Technical Features

• Activation temperature: 170 °C ±20 °C

• Operating temperature range: –50 °C to +90 °C

• Protected volume: 0.8–1.0 m³

• Service life: 10 years

• Activation via temperature-sensitive thermal detection wire or open flame

• Suitable for applications with lower system complexity requirements

(2) Installation Scheme

• Nacelle control cabinet: Two units installed at the top, focusing on low-voltage terminal monitoring

• Tower base control cabinet: Two units installed, with detection wires arranged near circuit breaker busbars and power cables

• Frequency converter cabinet: Two units installed, with detection wires arranged near power units and control boards

(3) System Configuration (Per Turbine)

3. Thermal Aerosol Automatic Fire Suppression Device

Model: QRR0.25GW/S-CFLC

(1) Technical Features

• Activation temperature: 170 °C ±20 °C

• Operating temperature range: –50 °C to +90 °C

• Protected volume: 2.0–2.5 m³

• Service life: 10 years

• Activation via temperature-sensitive thermal detection wire or open flame

• Can be integrated with a detection backend monitoring system

(2) Installation Scheme

• Nacelle control cabinet: One unit

• Tower base control cabinet and frequency converter cabinet: Two units installed at the top of each cabinet

(3) System Configuration (Per Turbine)

III. Advantages of the Solution

1. Highly Specialized Design
   Customized configurations for different wind turbine types, covering all critical fire-risk areas.

2. Safe and Reliable
   Compliant with domestic fire protection regulations, featuring sensitive activation and effective fire suppression performance.

3. Low Maintenance Requirements
   Certain configurations require no routine maintenance, significantly reducing operational costs.

4. Wide Environmental Adaptability
   Designed for wide temperature ranges, suitable for wind farms in diverse geographic and climatic conditions.