Green Single-Phase Voltage Regulator

TSEA’s Green Single-Phase Voltage Regulator is engineered for medium-voltage distribution networks requiring voltage stability, operational reliability, and reduced environmental risk.
Using vegetable oil as insulating fluid, the regulator supports improved fire safety performance and lower environmental liability compared to conventional mineral oil solutions. The design complies with applicable IEC, IEEE, ABNT, and environmental standards.

It is suited for utilities and projects operating in environmentally sensitive or safety-critical areas.

Role of Vegetable Oil Insulation in Voltage Regulation

Vegetable oil insulation replaces mineral oil while maintaining defined dielectric and thermal performance characteristics required for regulated voltage control. 

Its properties support: 

  • Reduced environmental impact in case of leakage 
  • Higher fire point compared to mineral oil 
  • Stable dielectric performance under normal operating conditions 

This insulation approach enables safer deployment in urban installationsenvironmentally sensitive areasand projects with defined sustainability requirements. 

  • Power Distribution 
    Urban and rural feeders with environmental or safety constraints. 
  • Utilities and Regulated Networks 
    Projects aligned with defined environmental and regulatory policies. 
  • Sustainable Infrastructure Projects 
    Installations where environmental liability mitigation is required. 
  • Distributed Generation Integration 
    Voltage stabilization in networks with renewable energy penetration. 

Insulation Technology and Operational Characteristics

Vegetable oil insulation provides:

  • Biodegradable and renewable insulating medium 
  • High dielectric strength 
  • Elevated fire point compared to mineral oil 
  • Compliance with environmental handling requirements 

The regulator maintains continuous on-load voltage regulation with defined performance parameters. 

Technical Differentiators

  • Vegetable oil insulation integrated into TSEA regulator architecture 
  • Reduced environmental exposure risk 
  • Continuous voltage regulation under defined operating limits 
  • Compliance with IEC, IEEE, ABNT, and applicable environmental standards 
  • Engineering-led technical support throughout the lifecycle 

Integration with TSEA Control and Automation Solutions

The Green Voltage Regulator integrates with TSEA electronic controllers, tap changers, protection systems, and SCADA architectures. 

This enables coordinated voltage regulation, monitoring, and diagnostics within broader grid automation frameworks. 

Technical Specifications

  • Voltage Class: 
    13.8 kV | 23 kV | 34.5 kV 
  • Regulation Range: 
    Up to ±10% 
  • Insulating Fluid: 
    Vegetable oil, biodegradable, high fire point 
  • Rated Current: 
    According to project specifications 
  • Standards: 
    IEC | IEEE | ABNT | Applicable environmental standards 
  • Mounting Options: 
    Pole-mounted, pad-mounted, or skid configuration 

Frequently Asked Questions

Why use vegetable oil instead of mineral oil? 
Vegetable oil is biodegradable and has a higher fire point, reducing environmental exposure and fire risk while maintaining required dielectric performance. 

Does it comply with environmental standards? 
Yes. It complies with applicable electrical and environmental standards. 

Is it suitable for urban and rural installations? 
Yes. It is particularly suited for installations where environmental risk mitigation and fire safety performance are required. 

Can it be integrated with SCADA and automation systems? 
Yes. It integrates with TSEA control, switching, automation, and SCADA solutions. 

Does TSEA provide lifecycle technical support? 
Yes. Engineering and technical support are available from specification through operation and maintenance. 

Speak with a
TSEA engineer