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35kv Pole-mounted Distribution Transformer
Brand: WISHPOWER
Standard: GB/T10228-1997、GB6450-1986、IEC726
Factory price Pole Mounted Transformers
Vector Group: Yyn0, Dyn11
Insulation Level: LI75AC35/AC3 LI170AC70/AC3
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DESCRIPTION

Specification

Primary Voltage (V) 33000
Model TR D1-10-33000-120/240 TR D1-15-33000-120/240 TR D1-25-33000-120/240 TR D1-37.5-33000-120/240 TR D1-50-33000-120/240 TR D1-75-33000-120/240 TR D1-100-33000-120/240 TR D1-167-33000-120/240
KVA Rating 10 15 25 37.5 50 75 100 167
No-Load Loss (W) 60 71 101 133 137 187 223 223
Full Load Loss at 85°C (W) 103 177 267 383 511 653 815 1484
Total Losses at a load factor of 80% (W) 140 191 278 380 461 606 759 1173
80% load for distribution transformers (Efficiency in % at 85°C) 98.28 98.43 98.63 98.75 98.86 99 99.06 99.13
Impedance (85°C) 2.2~3.14 2.2~3.14 2.2~3.14 2.2~3.14 2.2~3.14 2.2~3.14 2.2~3.14 2.2~3.14
Oil Weight (L) 86 96 102 119 180 180 240 240
Total Weight (KG) 182 189 239 284 327 411 465 492
Dimension (mm) A 740 740 780 810 810 840 840 910
B 690 690 750 750 780 780 880 920
ØD 480 480 520 550 550 580 580 620
H 1130 1130 1160 1190 1210 1280 1320 1380
Winding Material AL-AL AL-AL AL-AL AL-AL AL-CU AL-CU AL-CU AL-CU

If you are interested in our transformers and related transformer accessories, please get more information and professional solutions through this website or directly through info@wishpower.net

 

What is the 35kv Pole-mounted Distribution Transformer?

35kv Pole-mounted Distribution Transformer is a vital part of a medium-voltage power distribution system that lowers the high-voltage electricity to usable voltage levels for commercial, industrial, and residential applications. Such a transformer is suitable to be installed in utility poles as it offers relatively better efficiency and reliability to the medium to large-scale power distribution area at less land usage. It is robust, insulated with an advanced system, and is built to the strongest specification, it can tolerate extreme environmental conditions and so will suit people in urban areas, but also more remote locations. The transformer acts as a connection between the primary distribution grid and the end users to ensure regular and safe delivery of electricity. It has been built with high-quality insulating materials with low energy loss and high efficiency to meet modern energy performance standards. The compact and raised design makes it possible to easily install and maintain it while keeping the equipment out of harm’s way from ground-level hazards like floods or physical hurdles.

 

Key Components

  1. Core

High-quality silicon steel laminations are used for the core to minimize energy loss due to eddy currents and hysteresis. As the magnetic path for energy conversion between the primary and secondary windings, it acts.

  1. Windings

That is due to the insulated copper or aluminum conductors inside the windings that serve to carry electrical energy. An input voltage of 35kV is applied to the primary winding and is stepped down to usable voltage levels for end consumers on the secondary winding.

  1. Insulating Oil

To cool a transformer and to provide electrical insulation between internal components, high-grade insulating oil is used. It dissipates operation heat and allows for long-term stability.

  1. Bushings

Insulated bushings are devices that allow the electrical connection to pass safely through the transformer’s tank. It makes sure both high voltage input and low voltage output are sealed and secured so that there is no loss of energy or leakage.

  1. Tank

The core and the windings are enclosed in a sealed, robust, tank that contains the insulating oil. It protects internal components from external environmental conditions such as moisture, dust, and mechanical damage.

  1. Cooling Fins

Adjacent to these tanks are cool fins which are external extensions that serve to help dissipate heat more quickly. These conditioners improve natural cooling and keep the transformer within its optimal operating temperature.

  1. Tap Changer

Voltage regulation is affected by the transformer’s turn ratio by the tap changer. With fluctuating load or input, it ensures constant output voltage levels.

  1. Surge Arrester

Amechrite surge arresters protect the transformer from high voltage spikes (due to lightning strikes or power surges). Excess energy is diverted to the ground to protect the equipment from damage.

  1. Mounting Brackets

Structural components that mount the transformer on a utility pole, and mounting brackets are. In operation, they provide stability and protect the transformer against mechanical stress.

  1. Pressure Relief Device

The release of excess internal pressure from thermal expansion or faults due to faults is this safety component and prevents damage to the transformer tank.

 

What are the advantages of using a single-phase pole-mounted transformer?

  1. Cost-Effective Solution

For rural or low-load areas that need power, single-phase pole-mounted transformers are inexpensive and ideal.

  1. Simple Installation

Because of their small size and weight, these transformers also lower labor and installation costs due to their ease and speed of installation on utility poles.

  1. Remote and Rural Applications

Because they are particularly suited for low-load areas having scattered residential, agricultural, or small commercial loads where three-phase systems are not required, they appeal strongly to the public.

  1. Lower Maintenance.

Single-phase transformers have fewer parts and because of that are easier and cheaper to maintain, as time goes by.

  1. Efficient Power Distribution

They step down high-voltage electricity, efficiently, to usable levels for single-phase loads to power homes, farms, and small businesses reliably.

  1. Reduced Power Loss

Single-phase transformers are designed to minimize energy losses and hence operate optimally even when the load is minimal.

  1. The problem of flexibility in Voltage regulation.

Tap changers are common on many single-phase transformers, allowing adjustment of voltage to maintain the desired power output under varying load conditions.

  1. Durability and Weather Resistance are the main points.

Such transformers are designed specifically to withstand harsh outdoor conditions: high temperatures, moisture and mechanical stresses, and a long service life.

 

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