The 20 MVA 132KV To 11KV Three Phase Power Transformer with OLTC features a capacity of 20,000 KVA, with high-voltage (HV) at 132KV and low-voltage (LV) at 11KV. Equipped with a Huaming brand on-load tap changer (OLTC) on the 132KV side for automatic HV regulation, this oil-immersed transformer utilizes advanced technology and high-quality materials and components to ensure reliable quality and extended operation time. The transformer underwent a factory acceptance test, which was witnessed and approved by the end-user, with all test data meeting the required standards and our design specifications.
The 20 MVA, 132KV to 11KV Three-Phase Power Transformer with On-Load Tap Changer (OLTC) has a wide range of application scenarios due to its high capacity, high voltage level, and advanced automatic regulation capabilities. Here are some specific areas of application:
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In large substations or power hubs, the transformer converts high-voltage electrical energy into low-voltage electrical energy suitable for distribution systems.
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Especially for large motors or machinery requiring high-voltage input, the transformer meets their power needs.
What is on-load tap changer for transformers?
The On-load Tap Changer (OLTC), also referred to as the On-circuit Tap Changer (OCTC), serves the purpose of regulating the output voltage of a transformer. This regulation is achieved by modifying the number of turns in one of the transformer's windings, which in turn alters its turns ratio. There exist two primary types of transformer tap changers: the on-load tap changer (OLTC) and the no-load tap changer (NLTC). It's worth noting that not all transformers are equipped with a tap changer.
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