On the other hand, mini distribution substations can use recloser circuit breakers for safety purposes, as well as fuses. Substations and mini substations are generally composed of switchgear, protective parts, control panels, and they may or may not have a transformer.įor wide substations, these substations utilize or make use of circuit breakers to stop short circuits or overloading currents that can happen on the network. The primary function of this is to turn voltage levels to their assigned levels.įor instance, high transmission voltages, lower distribution voltages, and the interconnection of two transmission voltages. This function alone is a heavy contributor to the mini substation’s price.īut mini substations may or may not include transformers to transform voltage levels. In addition to that, they can also do the same to low voltage levels, and turn them to high-voltage levels.Įlectrical current can pass through mini substations at different voltage levels between power generation stations and the consumers (houses, buildings, etc.). They can convert voltages that are at high levels to low voltages. They can also be used as transformers because of their transforming voltages capability. Mini substations are essential for transmissions and distribution systems due to their regulatory functions. But prices may vary depending on the manufacturer. Mini substations have a smaller build design with a lower kVA rating (kilovolt ampere), thus making mini substation prices less expensive compared to typical substations. However, in terms of performance, both have distinct differences. will help you understand the many different types of substations and mini substations in the market, and we will be focusing on mini substation prices and their structure, we will also give you an example: 315 kVA mini substation.įor starters, the basic definition of mini substations is that they are the smaller version of regular substations. In this article, DAELIM, one of the best mini substation manufacturers in China, has been specializing in mini substations for over 15 years. With less risk and safer for public usage, there are now many types of substations and mini substations out there that serve different purposes with new mechanisms and functions. But nowadays, with the introduction of dry-type transformers, substations and mini substations have turned the market. Mini substations are normally designed to have transformers that have oil in them. Mini substations are designed to be smaller than regular substations with a less kVA rating (kilovolt ampere). Substations have been around for many decades, and as time continues to move forward, more and more versions and modifications are being done to this electrical device.
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