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EnglishБУАВР schemes
Application of the БУАВР, ATS schemes. Examples.
Application of the БУАВР, ATS schemes
Album of ATS schemes based on the БУАВР.М family of automatic transfer switch controllers.
An example ATS installation rated up to 6300 A with two mains incomers, two loads and a bus-tie breaker, for transformer substations, with increased voltage surge withstand and backup control supply from a UPS. The scheme is built on ВА-45 series circuit breakers with motor operators, controlled by a БУАВР.C.220.220.Т, with interlocking against transfer between incomers during an overload or short circuit in the load, automatic and manual ATS control, and ATS status indication.
An example ATS installation rated up to 6300 A with two mains incomers, two loads and a bus-tie breaker, for transformer substations, with increased voltage surge withstand. The scheme is built on ВА50-45Про circuit breakers with motor operators, controlled by a БУАВР.C.220.12/24.Т, with interlocking against transfer between incomers during an overload or short circuit in the load, and indication of circuit breaker position.
An example ATS installation rated up to 6300 A with two mains incomers, two loads and a bus-tie breaker, for transformer substations, with increased voltage surge withstand. The scheme is built on Электрон series Э06, Э16, Э25 and Э40 circuit breakers with motor operators, controlled by a БУАВР.C.220.12/24.Т, with interlocking against transfer between incomers during an overload or short circuit in the load, automatic and manual ATS control, and indication of circuit breaker position.
An example ATS installation rated up to 1600 A with two mains incomers, two loads and a bus-tie breaker, for transformer substations, with increased voltage surge withstand. The scheme is built on LZM3 and LZM4 series EATON (MOELLER) circuit breakers with motor operators, controlled by a БУАВР.C.220.220.Т, with interlocking against transfer between incomers during an overload or short circuit in the load, automatic and manual ATS control, indication of circuit breaker position, and backup control supply from a UPS.
An example ATS installation rated up to 1600 A with two mains incomers and one load, for transformer substations, with increased voltage surge withstand.
The scheme is built on NZM series EATON (MOELLER) circuit breakers with motor operators, with interlocking against transfer between incomers during an overload or short circuit in the load, automatic and manual ATS control, indication of circuit breaker position and indication of incomer status.
An example ATS with a bus-tie breaker and no automatic restoration of two-incomer operation.The scheme is built on ВА52-41, ВА53-41, ВА55-41, ВА56-41, ВА53-43, ВА55-43 and ВА56-43 circuit breakers with solenoid operating mechanisms, controlled by a БУАВР.С.220.12/24.T, with two incomers, two load groups, a bus-tie breaker, protection against transfer between incomers during an overload or short circuit in the load, automatic and manual ATS control, and ATS status indication.
An example ATS installation with two incomers and one load, with increased voltage surge withstand, built on circuit breakers types ВА52-41, ВА53-41, ВА55-41, ВА56-41, ВА53-43, ВА55-43, ВА56-43. Controlled by a БУАВР.КИ.220.12/24.Т. The scheme includes electrical interlocking of the circuit breakers, protection against transfer between incomers during an overload or short circuit in the load, indication of incomer status and ATS status, and automatic and manual ATS control.
Application guide for the БУАВР.С with Tmax series circuit breakers by ABB, frame sizes T4 – T6, for currents of (250-1000) Awith a motor-spring operating mechanism, controlled by a БУАВР.С.220, with two incomers, two load groups, a bus-tie breaker, electrical interlocking of the circuit breakers, protection against transfer between incomers during an overload or short circuit in the load, and automatic and manual ATS control.
An example ATS for currents of 100 – 630 A using Compact NS100 – NS630 circuit breakers by Schneider Electricwith a geared motor for charging the closing springs, controlled by a БУАВР.КИ.220.220.Т and a БУАВР.ЭА.220.220.Т, with two mains incomers, a diesel generator set and category 1 and 2 loads, interlocking against transfer between incomers during an overload or short circuit in the load, backup control supply from a UPS, automatic and manual ATS control, and indication of incomer status and switch position.
New efficient approaches to building automatic transfer switch (ATS) equipmentAn ATS scheme with two incomers and one load, for maximum currents of 125-1800 A, using motorised ATyS 3s series changeover switches with electrical and mechanical interlocking (manufactured by Socomec), controlled by a БУАВР.КИ.220, with automatic and manual ATS control and indication of incomer status and switch position
Application guide for the БУАВР.С with Tmax series circuit breakers by ABB, frame sizes T1-T3 for currents of (160-250) A with a solenoid operating mechanism, controlled by a БУАВР.С.220, with two incomers, two load groups, a bus-tie breaker, electrical interlocking of the circuit breakers, protection against transfer between incomers during an overload or short circuit in the load, and automatic and manual ATS control.
ATS scheme with two mains incomers, a diesel generator and one load, built on contactors, controlled by a БУАВР.КИ and a БУАВР.ЭА.The scheme provides electrical interlocking of the contactors, signalling of incomer status, and signalling of operation from the diesel generator.
QF1-QF4 — 1 A, 1-pole type C(B) 6 kA circuit breakers.ATS scheme with two mains incomers, a diesel generator and two loads, built on contactors, controlled by a БУАВР.2С and a БУАВР.ЭА.
The scheme provides electrical interlocking of the contactors, signalling of incomer status, and signalling of operation from the diesel generator.
QF1-QF6 — 1 A, 1-pole type C(B) 6 kA circuit breakers.ATS scheme for maximum currents of 800 – 6300 A using Emax series circuit breakers, frame sizes E1-E4 and E6 (manufactured by ABB) with a geared motor for charging the closing springs, controlled by a БУАВР.С.220.220.T, with two incomers, two load groups, a bus-tie breaker, electrical interlocking of the bus-tie breaker, protection against transfer between incomers during an overload or short circuit in the load, backup control supply from a UPS, and automatic and manual ATS controlATS scheme for a maximum current of 800/100/1250/1600 A using Tmax series circuit breakers, frame size T7(manufactured by ABB) with an electric motor for charging the closing springs, controlled by a БУАВР.С.220, with two incomers, two load groups, a bus-tie breaker, electrical interlocking of the bus-tie breaker, protection against transfer between incomers during an overload or short circuit in the load, and automatic and manual ATS controlATS scheme using ВА57-39 circuit breakers for transformer substationswith increased resistance to voltage surges, controlled by a БУАВР.С.220.12/24.Т, with a solenoid operating mechanism, two incomers, two load groups, a bus-tie breaker, electrical interlocking of the circuit breakers, protection against transfer between incomers during an overload or short circuit in the load, and automatic and manual ATS control.Example ATS scheme for three incomers, one of them a generator set
An ATS scheme for maximum currents of 800 – 6300 A, with two incomers and one category 1 load, with galvanic isolation (separated earth bars)
Emax series circuit breakers, frame sizes E1-E4 and E6 (manufactured by ABB), are used as the power switching elements, with a geared motor for charging the closing springs, controlled by a БУАВР.КИ.220.220, with interlocking against transfer between incomers during an overload or short circuit in the load, control supply from a UPS, and automatic and manual ATS control