Tanaka Electric Tanaka Electric

Instrument Transformer Supplier & Exporter in Bulgaria

Empowering the Bulgarian Power Grid with High-Precision Voltage and Current Measurement Solutions for Smart Infrastructure.

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Bulgaria’s Energy Evolution & The Need for Advanced Transformers

Bulgaria, a strategic energy hub in the Balkan Peninsula, is currently undergoing a massive transformation of its national electrical grid. As the country aligns with European Union energy directives, there is an unprecedented demand for high-reliability Instrument Transformers (CTs and PTs). From the Kozloduy Nuclear Power Plant modernization to the rapid expansion of solar PV parks in the Thracian Valley, precision measurement is no longer optional—it is vital for stability.

As a leading Instrument Transformer Supplier & Exporter in Bulgaria, we understand the local challenges. The Bulgarian grid (operated by ESO) requires equipment that can withstand diverse climatic conditions, from the humid Black Sea coast to the freezing Balkan mountains. Our products are engineered to provide accurate data for metering, protection, and control, ensuring that Bulgarian industrial giants in Sofia, Plovdiv, and Varna operate without interruption.

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EU Standards Compliance

All exported units meet IEC and EN standards required by the Bulgarian Energy Regulatory Commission (EWRC).

Smart Grid Integration

Our transformers support digital substations and IoT sensors for real-time monitoring of the Bulgarian national grid.

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Extreme Resilience

Designed for the local climate, featuring anti-corrosion and high-insulation properties for outdoor installations.

Local Application Scenarios in Bulgaria

The industrial landscape in Bulgaria is diverse. Our instrument transformers are currently utilized in several key scenarios:

  • Renewable Energy Parks: In Southern Bulgaria, our 33kV outdoor CTs are used in large-scale solar farms to monitor power output and protect the feed-in systems.
  • Mining and Metallurgy: For large operations like those in the Panagyurishte region, our heavy-duty oil-immersed transformers provide the ruggedness needed for high-load industrial environments.
  • Urban Infrastructure: Sofia’s growing residential and commercial districts rely on our indoor epoxy resin transformers for compact, safe, and efficient power distribution.
Zhejiang Tanaka Factory

About Zhejiang Tanaka Electric Co., Ltd.

Zhejiang Tanaka Electric Co., Ltd. is a high-tech enterprise specializing in the production, research and development, and sales of transformers and related products. The company's registered capital amounts to 110 million RMB. It has a strong technical team with 15 senior engineers, over 30 intermediate technicians, and 17 senior technicians. The powerful technical strength provides a solid guarantee for the research and production of products.

As of now, the company has obtained 18 patents, demonstrating its remarkable achievements in technological innovation. To better meet the diverse needs of Bulgarian customers, the company also assists in purchasing other products on behalf of customers, providing comprehensive and convenient turnkey solutions.

120+ Sets of Advanced Equipment
18 National Tech Patents
Zero Defect Policy
ISO9001 Quality Certified

Innovation & Quality Control Standards

In recent years, the company has continuously increased investment in technical strength and modern equipment. Currently, we operate more than 120 sets of various equipment, including CNC automatic winding machines, CNC static vacuum casting, Automatic foil winding machines, and Microcomputer-controlled gradient curing furnaces.

Our quality management is unparalleled. From raw material procurement to incoming inspection, production, and finished product delivery, every step follows the ISO9001 and ISO14001 standards. For our Bulgarian partners, this means every transformer arriving at the port of Varna is a masterpiece of precision engineering.

Global Trends We Bring to Bulgaria:

  • Digitalization: Moving from traditional analog outputs to digital signals compatible with smart grid protocols.
  • Eco-Friendly Materials: Utilizing amorphous alloys and biodegradable insulation oils to reduce environmental impact.
  • Compact Design: Modern urban substations in Bulgaria require smaller footprints; our epoxy resin designs offer superior insulation in half the space.
Production Line

Corporate Profile

Business Type:Manufacturer & Global Exporter
Product Range:Transformers, Power Distribution Equipment, CT, PT
Core Services:Power Transformer, Dry-type Transformer, Substation Accessories, Oil-immersed Transformers
Total Employees:201~500 Skilled Professionals
Capital:110 Million RMB
Year Established:2005
Global Certification:ISO9001, ISO14001, CE, CCC

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