Understanding Step Down Transformers

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A step down transformer is an electrical device used to convert high voltage electricity to a lower voltage level. This type of transformer is essential in power distribution systems where the voltage needs to be decreased for safe usage in homes and industries. By efficiently reducing voltage levels, step down transformers help in minimizing energy loss during transmission.

The design of a step down transformer typically involves two coils: the primary and secondary winding. The primary winding receives the high voltage input while the secondary winding delivers the lower voltage output. The ratio of turns between these two windings determines the voltage transformation. For instance, in a 400 kVA transformer, the specific winding configuration allows it to handle significant power loads effectively.

The 400 kVA Transformer in China

TypeRating capacity (KVA)Voltage combination(KV)No-load losses(W)Load losses(W)No-load current (%)Short-circuit impedance (%)
SC13-30306,6.3,6.6,10,11/0.41507102.34.0
SC13-50506,6.3,6.6,10,11/0.421510002.24.0
SC13-80806,6.3,6.6,10,11/0.429513801.74.0
SC13-1001006,6.3,6.6,10,11/0.432015701.74.0
SC13-1251256,6.3,6.6,10,11/0.437518501.54.0
SCB13-1601606,6.3,6.6,10,11/0.443021301.54.0
SCB13-2002006,6.3,6.6,10,11/0.449525301.34.0
SCB13-2502506,6.3,6.6,10,11/0.457527601.34.0
SCB13-3153156,6.3,6.6,10,11/0.470534701.14.0
SCB13-4004006,6.3,6.6,10,11/0.478539901.14.0
SCB13-5005006,6.3,6.6,10,11/0.493048801.14.0
SCB13-6306306,6.3,6.6,10,11/0.4107058800.94.0
SCB13-6306306,6.3,6.6,10,11/0.4104059600.96.0
SCB13-8008006,6.3,6.6,10,11/0.4121069600.96.0
SCB13-100010006,6.3,6.6,10,11/0.4141081300.96.0
SCB13-125012506,6.3,6.6,10,11/0.4167096900.96.0
SCB13-160016006,6.3,6.6,10,11/0.41960117000.96.0
SCB13-200020006,6.3,6.6,10,11/0.42440144000.76.0
SCB13-250025006,6.3,6.6,10,11/0.42880171000.76.0

In China, the production of 400 kVA transformers has gained momentum due to the increasing demand for reliable power solutions. Manufacturers are focusing on creating cost-effective options that meet international standards without compromising on quality. This trend reflects China’s ability to provide affordable yet efficient electrical equipment for both domestic and industrial applications.

Chinese makers often leverage advanced technology and materials to enhance the performance of their 400 kVA transformers. These transformers are designed for various uses, including substations, commercial buildings, and manufacturing facilities. The combination of innovation and competitive pricing makes Chinese transformers a popular choice in the global market, attracting buyers from diverse sectors.

modelRating power (KVA)No-load losses(W)Voltage combination (KV)Load losses(W)No-load current (%)Short-circuit voltage (%)
S11-M-30301006,6.3,10,10.5,11/0.46002.34.0
S11-M-50501306,6.3,10,10.5,11/0.48702.04.0
S11-M-63631506,6.3,10,10.5,11/0.410401.94.0
S11-M-80801806,6.3,10,10.5,11/0.412501.94.0
S11-M-1001002006,6.3,10,10.5,11/0.415001.84.0
S11-M-1251252406,6.3,10,10.5,11/0.418001.74.0
S11-M-1601602806,6.3,10,10.5,11/0.422001.64.0
S11-M-2002003406,6.3,10,10.5,11/0.426001.54.0
S11-M-2502504006,6.3,10,10.5,11/0.430501.44.0
S11-M-3153154806,6.3,10,10.5,11/0.436501.44.0
S11-M-4004005706,6.3,10,10.5,11/0.443001.34.0
S11-M-5005006806,6.3,10,10.5,11/0.451001.24.0
S11-M-6306308106,6.3,10,10.5,11/0.462001.14.5
S11-M-8008009806,6.3,10,10.5,11/0.475001.04.5
S11-M-1000100011506,6.3,10,10.5,11/0.4103001.04.5
S11-M-1250125013606,6.3,10,10.5,11/0.4128000.94.5
S11-M-1600160016406,6.3,10,10.5,11/0.4145000.84.5
S11-M-2000200022806,6.3,10,10.5,11/0.4178200.65.0
S11-M-2500250027006,6.3,10,10.5,11/0.4207000.65.0
S11-M-30-309020,22/0.46602.15.5
S11-M-50-5013020,22/0.496025.5
S11-M-63-6315020,22/0.411451.95.5
S11-M-80-8018020,22/0.413701.85.5
S11-M-100-10020020,22/0.416501.65.5
S11-M-125-12524020,22/0.419801.55.5
S11-M-160-16029020,22/0.424201.45.5
S11-M-200-20033020,22/0.428601.35.5
S11-M-250-25040020,22/0.433501.25.5
S11-M-315-31548020,22/0.440101.15.5
S11-M-400-40057020,22/0.4473015.5
S11-M-50050068020,22/0.4566015.5
S11-M-63063081020,22/0.468200.96
S11-M-80080098020,22/0.482501.86
S11-M-10001000115020,22/0.4113300.76
S11-M-12501250135020,22/0.4132000.76
S11-M-16001600163020,22/0.4159500.66

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Cost-Effective Solutions in the Transformer Market

Cost-effectiveness is a crucial factor when selecting transformers, especially for businesses looking to optimize their operational expenses. A step down transformer, particularly one with a capacity of 400 kVA, presents an economical solution for voltage conversion without incurring high installation and maintenance costs.

Investing in a high-quality transformer from a reputable manufacturer can lead to long-term savings through improved energy efficiency. With the right transformer, businesses can expect reduced electricity bills and minimized downtime due to reliability in performance. Moreover, choosing a cost-effective transformer from a Chinese maker can provide additional benefits, such as warranty support and availability of spare parts, ensuring a seamless operational experience.