either switchgear or switchboards must be based on many built and tested to different standards: Switchgear power circuit breakers (LVPCB) esses for a longer time. I am familiar with both European and North American, and when i see Switchgear, Switchboards etc, I read in context. What is the difference between a switchboard and a panelboard? Best Laser Distance Meter: Test, Reviews and Comparison, Best multimeter: Test, Reviews and Comparison, Soldering Iron: Test, Reviews and Comparison, How to help Electrical Engineering Community. Some switchboards such as those used in residential apartments have an option of metering to see the amount of power used by individual circuits. These are typically used at lower voltage substations, such as 11kV. Henn Rebane, P.E. The figure 1 can’t be a medium voltage switchgear. lighting loads, sockets etc. The content is copyrighted to EEP and may not be reproduced on other websites. Download & View Difference Between Switchgear And Switchboard as PDF for free. We dont have CTS or PTs or CBs outside in the switchyard for 11 kV. The switchboard refers to a large single panel, assembly of panels, a structural frame or assembly of structural frames, on which buses, switches, and protective and other control devices may be mounted. The switchboard consists of mechanisms such as those in the switchgear system. However, it is important to note that they perform different functions and usually designed to work together in series so as to provide the maximum coordination and protection. At this moment, we hope you already identified the major differences between RMU and switchgear. Swbd lower costs Power brkrs Withstand. This term, and concept is going to the wayside. Upvote (0) Downvote (0) Reply (0) The main role of the switchboard is to allow the incoming electric power to be divided into smaller independent circuits according to their current requirements. Since the two have different functions and capabilities, they are suited for different types of installations or at different stages of an electrical network. The switchgears are classified according to the voltage levels involved in the circuit of application. However, under fault conditions, the switchgear is designed to detect the faults and interrupt the flow of electricity to the affected section, thus disconnecting and isolating it from the healthy circuit. The main difference is the voltage that they are designed to handle. Nothing stated here is guaranteed to be correct, or … Following are insights into just a few of the differences to help in making those decisions. A ring main unit is a type of switchgear. These devices are used to switch the electric power on and off for transformers, motors, generators, transmission lines, and power networks in homes, commercial, industrial, transmission and distribution systems. Difference Between Switchgear and Switchboard, Power substation guides, research papers and studies, Electrical Engineering Books and Technical Guides. IEC 61439 'Low-voltage switchgear and controlgear assemblies', specifies standard arrangements of switchboard (call forms of internal separation). The main difference is the voltage that they are designed to handle. In such a discussion, it could be useful to start from the official definition given by IEC: Switchboard: part of a manual or manually supervised exchange at which the interconnection of circuits is manually controlled, Switchgear: a general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equipment with associated interconnections, accessories, enclosures and supporting structures, intended in principle for use in connection with generation, transmission, distribution and conversion of electric energy. A fence with warning signs are used to restrict access to outdoor substations, while metal enclosures and cabinets are used in commercial and industrial buildings to prevent the technical as well as public from coming into contact with the live elements and parts. If you carefully see the picture you can anticipate something about switchyard. The ratings of the devices at each stage depend on the voltage levels at that point. The switchboards are generally for voltages less than 600 volts, while the switchgear systems are designed for higher voltages reaching up to 350 KV. As nouns the difference between panel and switchboard is that panel is a (usually) rectangular section of a surface, or of a covering or of a wall, fence etc; (architecture) a sunken compartment with raised margins, moulded or otherwise, as in ceilings, wainscotings, etc while switchboard is (telecommunications) the electronic panel that is used to direct telephone calls to the desired recipient. 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