Step Down Power Transformer

Step Down Power Transformer

Step down transformers - A transformer is a device that steps up or steps down the voltage applied to the primary windings (input voltage), giving you a different voltage on the secondary windings (output). This is achieved when the primary circuit's changing current creates a changing magnetic field; in turn this magnetic field induces a changing voltage in the secondary circuit.
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step down power transformer Description

Power transformers are electrical devices used to transmit electrical power from one circuit to another without changing the frequency. They operate based on the principle of electromagnetic induction and are used to step up or step down voltage in distribution networks. These transformers play a crucial role in transmitting electrical power between generators and primary distribution circuits. Because they have no rotating or moving parts, power transformers are considered static devices and work within an alternating current (AC) electrical system.

We ensure that each of our delivered units undergoes rigorous full acceptance testing. We provide a comprehensive service package, including consulting, quoting, manufacturing, installation, commissioning, training, and after-sales services. Our products are now operating in more than 50 countries worldwide. We strive to be your most reliable supplier and the best partner in business!

76MVA step down power transformer specifications and data
Rated
Capacity
(KVA)
Junction
group labe
Voltage combination(KV) No-load
current
(%)
Load loss
(W)
No-load loss
(W)
Short circuit
impedance
(%)
(H.V.) Tap range(%) (L.V.)
30 Dyn11
Yyn0
10
6.3
6
±5
±2×2.5%
0.4 1.5 630/600 80 4.0
50 1.3 910/870 100
63 1.2 1090/1040 110
80 1.2 1310/1250 130
100 1.1 1580/1500 150
125 1.1 1890/1800 170
160 1.0 2310/2200 200
200 1.0 2730/2600 240
250 0.9 3200/3050 290
315 0.9 3830/3650 340
400 0.8 4520/4300 410
500 0.8 5410/5150 480
630 0.6 6200 570 4.5
800 0.6 7500 700
1000 0.6 10300 830
1250 0.5 12000 970
1600 0.5 14500 1170

 Power Voltage Transformer

Underground Power Transformer

three phase step down Power Transformer Features
  1. The core of the three-phase power transformer is made from imported high-quality cold-rolled silicon steel sheets, which significantly reduces no-load loss and no-load current. The core is bound to ensure its tightness and reduce noise.
  2. The high and low voltage windings are made of oxygen-free copper. For transformers of 500 kVA and below, the low-voltage windings use a double-layer cylindrical structure, while the high-voltage windings use a multi-layer cylindrical structure.
  3. The transformer connection group employs Dyn11 to reduce the influence of harmonics on the power grid and improve power supply quality.
  4. The transformer features a fully sealed structure, which extends its service life, eliminates the need for hanging cores, and is maintenance-free.
  5. The measured noise level is below the standard.
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Why Choose gNEE step down power transformer?

GNEE Electrical Group Co., Ltd. is a technology-based enterprise specializing in the research and development, production, sales and service of dry-type transformers, power transformers, high and low voltage switchgear and related products. Our factory can provide a full range of distribution transformers.

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