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Single-Phase Voltage Regulators

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TSEA single-phase voltage regulators are designed with TSEA engineering and proprietary technology, delivering precise tap adjustment, high mechanical robustness, and full integration with supervision, control, and automation systems (SCADA).

Applied in electric utilities, industry, mining, oil & gas, and large energy consumers, TSEA single-phase voltage regulators are tailor-made to the electrical characteristics of each network, contributing to operational stability and the long-term reliability of electrical infrastructure.

TSEA Tap Changers

TSEA tap changers are designed and manufactured with in-house engineering to ensure precise tap adjustments, safe operation, and high reliability in voltage regulators for distribution networks. Each model is developed to meet different electrical conditions, load profiles, and operational requirements, ensuring consistent performance and long service life.

CR-3 – Tap Changer for standard applications

Designed for voltage regulators in conventional applications, the CR-3 tap changer provides stable and reliable tap adjustment, with high mechanical robustness and safe operation. Its proven design ensures consistent performance, low maintenance requirements, and long operational life in the field.

CR-10 – Tap Changer for high-current applications

The CR-10 tap changer is designed for voltage regulators subject to high current levels, supporting applications of up to 1,100 A. Developed with in-house engineering, it ensures high electrical and mechanical reliability, operational stability, and durability in networks with higher load demands.

CR-20 – High-speed tap changer for critical networks

Developed for applications requiring fast response and higher precision in voltage control, the CR-20 tap changer enables rapid tap adjustments through direct drive with a stepper motor. Its agile operation contributes to system stability, while its robust construction and simplified maintenance ensure high durability and continuous performance in distribution networks of up to 36.2 kV.

TSEA Control Line

TVC-MP

Control system with continuous monitoring, precise adjustment, local and remote operation, and SCADA integration.

TB-R1000

Electronic relay for voltage regulators and distribution equipment, with real-time monitoring, precise adjustments, and reliable operation.

Green Single-Phase Voltage Regulator (Vegetable Oil)

TSEA’s Green Voltage Regulator uses vegetable oil as insulation, ensuring sustainable and safe operation in medium-voltage networks. Developed with in-house engineering and tailor-made specifications, it provides voltage stability and compliance with IEC, IEEE, and ABNT standards, with reduced environmental risk.
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Technical Differentiators of TSEA Single-Phase Voltage Regulators

  • Engineering and supply expertise consolidated through more than 30 years of field application
  • Proprietary electronic controllers developed for maximum operational reliability
  • New generation of high-speed tap changers with direct drive and enhanced stability
  • Tap changer position sensor integrated for redundancy and operational safety
  • Compliance with IEC, IEEE, ABNT standards and specific utility requirements
  • Compact design facilitating retrofit and integration into existing networks
  • Specialized technical support throughout all project phases, from specification to operation.

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