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33/35KV Oil Immersed Power Distribution Transformer

Palestine 33/35KV Oil Immersed Power Distribution Transformer

voltage, capacity, frequency, connection group and loss can be customized according to customer requirements

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PalestineOil-immersed Power Transformer

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Product Description

33KV & 35KV Transformer Introduction

33kV/35kv voltage lines have significant advantages in power transmission and distribution, and are suitable for medium distance and medium load scenarios, especially in urban power supply, industrial areas or rural power grids. TSTY can manufacture power transformers with various voltage levels such as 33/0.4kv, 33/0.22kv, 33/0.38kv, 35/0.4kv,etc. according to the power grid conditions of various countries. The transformer capacity range we can produce is 15-31500kva, which has a wide range of applications.

33KV 35KV Transformer Parameters

S-11 series 50-2500KVA 33-38.5KV Oil-immersed transformer
Rated Capacity (kVA)	Voltage Combination			Vector Group	No-Load Loss(w)	Load Loss	No-Load Current (%)	Short Circuit Impedance (%)
Rated Capacity (kVA)	High Voltage（kV)	Tapping Range	Low Voltage (kV)	Vector Group	No-Load Loss(w)	Load Loss	No-Load Current (%)	Short Circuit Impedance (%)
50	33 35 38.5	±5% ±2×2.5%	0.4	Dyn 11 or Yyn0	170	1200	2.1	6.5
100					230	2010	2.0
125					270	2370	1.5
160					290	2820	1.4
200					340	3320	1.3
250					400	3950	1.2
315					480	4750	1.1
400					580	5740	1.0
500					680	6910	1.0
630					830	7860	0.9
800					980	9400	0.8
1000					1150	11500	0.7
1250					1400	13900	0.6
1600					1690	16600	0.6
2000					1990	19700	0.6
2500					2360	23200	0.6

S20 Oil-immersed Three-phase Double-winding No-load Voltage Regulation Power Transformers
Rated Capacity kVA	Voltage Combination			No-Load Loss kW	Load Loss(75℃) kW	Short-circuit Impedance %
Rated Capacity kVA	High Voltage（kV)	Tapping Range	Low Voltage (kV)	No-Load Loss kW	Load Loss(75℃) kW	Short-circuit Impedance %
3150	33 35 38.5	±5% ±2×2.5%	0.4	2.0	20.7	7
4000				2.3	24.6
5000				2.8	28.2
6300				3.4	31.5	8
8000				4.7	34.6
10000				5.7	40.8
12500				6.5	48.4
16000				7.9	59.2
20000				9.4	71.6
25000				11.1	84.6	10
31500				13.1	100.8	10

S22 Oil-immersed Three-phase Double-winding No-load Voltage Regulation Power Transformers
Rated Capacity kVA	Voltage Combination			No-Load Loss kW	Load Loss(75℃) kW	Short-circuit Impedance %
Rated Capacity kVA	High Voltage（kV)	Tapping Range	Low Voltage (kV)	No-Load Loss kW	Load Loss(75℃) kW	Short-circuit Impedance %
3150	33 35 38.5	±5% ±2×2.5%	0.4	1.7	20.7	7
4000				2.0	24.6
5000				2.4	28.2
6300				2.9	31.5	8
8000				4.0	34.6
10000				4.8	40.8
12500				5.5	48.4
16000				6.7	59.2
20000				7.9	71.6
25000				9.4	84.6	10
31500				11.1	100.8	10

TSTY Power Transformer Advantages

High-Quality Raw Materials

1. Uses silicon steel raw materials from top-tier state-owned enterprises like Wuhan Iron and Steel and Baosteel.

2.Control material quality from the source, reducing defects.

Fully Automated and Unmanned Process

1.Intelligent cross-cutting and longitudinal shearing, RGV rails, AGV/unmanned forklifts, dual intelligent automated warehouses, automatic stacking machines, automatic inspection and conveying, etc.

2.educes human error, bumps, and material damage.

High Precision and Consistency

1. Smooth, burr-free cuts; perfectly fitted laminations.

2.Unified control of lamination position, pressure, and gap.

3.Constant tension winding; automatic computer counting eliminates human error.

Full Traceability

1. Each iron core has an independent traceability code.

2.Each SOP corresponds to a unique QR code.

3.Raw material batches, process records, and responsible persons are all traceable; problems can be located in seconds.

National-Level Testing and Export Certification

1. CNAS National-Level Testing Center; one of the ≤5 institutions nationwide with relevant transformer testing capabilities.

2.Never leaving the factory if substandard.

3.Compliant with IEC, GB/T, IEEE, and ANSI standards; meets UL, CE, GOST, and other market requirements.

Global Environmental Adaptability

1. Five-fold anti-corrosion upgrades: C5-grade electrostatic powder coating, 150μm thickness, salt spray resistance >1000h.

2.Suitable for harsh environments such as coastal areas, high-altitude regions, extreme cold, and high humidity.

3.Customization available, including FR3 vegetable oil and vacuum-sealed anti-corrosion packaging.

Core Advantages Of 33kV 35kVTransformer

1. High power transmission and distribution efficiency

The 33kV voltage level is at the medium voltage level in the power system, which can increase the power transmission by about 50% compared with the 10kV system. Compared with higher voltage levels, its line insulation cost is reduced by more than 25%, and its power transmission and distribution efficiency is significantly improved.

2. Strong grid stability

This voltage level has a stronger short-circuit current carrying capacity. The winding structure designed by the flux balance principle can also reduce the impact of harmonic interference on the power grid.

3. Renewable energy adaptability

In the new energy grid connection scenario, the 33kV step-up transformer can realize the direct connection between the 10kV inverter output and the 110kV backbone network, reducing the loss of multi-stage boosting.