High Altitude Used 35kv Current Transformer for Metering and Relay Protection

It is an outdoor, single-phase and oil-immersed hair-pin type current transformer. This particular transformer is designed to fulfill the specific needs of the 20 – 35kV, 50 or 60Hz system. It serves a vital function in this system as it is utilized for both metering and relay protection. For metering, it precisely measures the current flowing through the system, enabling accurate assessment of power consumption. Regarding relay protection, it can promptly detect any abnormal current conditions within the given voltage and frequency range, and then trigger the necessary protective actions to safeguard the stability and safety of the power system. The oil immersion provides effective insulation and aids in heat dissipation, ensuring its reliable operation even in outdoor environments.

Product Description
Company Profile

Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.

Customer Case 
Product Features

1.It is oil/paper insulation structure. The main insulation is wound by high voltage cable paper, and is placed several capacitor screen of voltage division in the primary insulation, which can improve electric field distributing and decrease the consumption of insulation material, immersed in transformer oil afer desiccating under vacuum. It has advantages of stable and reliable performance of insulation,rich opcrated cxpcricnec, long service life.
2.Perfect fluidity performance of transformer oil is good for heat dissipation, it also has self recover ability for the failure of partial discharge caused by air bubble and dust.
3. There is a multi function oil drain valve on the base, which make it more convenient for oil sampling, draining.
4.The current ratio can be changed easily by adjusting connecting plate to series or parallel connection.
5. All adopted insulation parts are environmental protection materials.
6. Secondary terminal board is made of epoxy casting, the seal performance is more reliable.
7. The base uses spray painting or hot galvanizing, which gives a high degree of corrosion resistance.
8. Fasteners and nameplate are stainless steel.
9. Hermetically sealed stainless steel metallic bellows is installed on the top,which protect the transformer oil from moisture and extend the life time,also there is a oil  level gauge on the bellows for observing the changing of oil volume.

Packaging & Shipping
After Sales Service

1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.

2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user’s feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.

3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!

Certifications