A Static Transfer Switch (STS) is a device commonly used in power systems to automatically switch power inputs in the event of a grid failure or other abnormal situation. By monitoring parameters such as voltage and frequency, it enables fast and reliable switching between two power sources to ensure that the load equipment is continuously powered.
The main working principle of the static transfer switch is based on the following key steps:
Monitor the main power supply: constantly monitor the voltage, frequency and phase parameters of the main power supply.
Fault detection: When the main power supply is faulty or abnormal, it immediately reacts.
Switching operation: By controlling the solid-state electronics, the load is switched to the standby power supply to ensure the normal operation of the load device.
This series of processes is completed in milliseconds, so that the load device hardly feels the impact of the power switch. Static transfer switches play an important role in power systems and various application scenarios, mainly including the following aspects:
Power switching: In the event of a failure or exception of the main power supply, the load is quickly and automatically switched from one power supply to another backup power supply.
Protection of load equipment: Effective protection of load equipment from grid problems through timely power switching.
Improve system reliability: The automatic switching function greatly improves the reliability of the power system and ensures the stable operation of the load equipment.
Power backup: When the main power supply fails, the backup power supply takes over the load to ensure the normal operation of the load device.
Increased power system flexibility: The ability to switch power according to specific needs, supporting the operation and maintenance of load equipment.
Static transfer switches are widely used in various fields such as data centers, medical equipment, industrial automation, communication base stations, commercial buildings and transportation, ensuring the continuous and stable operation of various equipment and systems, and improving the reliability and toughness of the overall system.
Tags： 2000w inverter48v inverter、A Static Transfer Switch、DC converter、inverter、
This GZDW series DC power panel is a robust and intelligent solution designed for 10–500kV substations, power plants, and industrial facilities. It provides reliable DC power for high-voltage switchgear, relay protection, automation systems, and emergency lighting. Key features include a plug-and-play design for rectifier and monitoring modules, an LCD controller with automatic battery management, and support for multiple communication protocols (RTU, CDT, MODBUS). The system accommodates…
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This GZDW series DC power panel is a robust and intelligent solution designed for 10–500kV substations, power plants, and industrial facilities. It provides reliable DC power for high-voltage switchgear, relay protection, automation systems, and emergency lighting. Key features include a plug-and-play design for rectifier and monitoring modules, an LCD controller with automatic battery management, and support for multiple communication protocols (RTU, CDT, MODBUS). The system accommodates…
– BWITT has issued its latest innovation in power management: the STS-380VAC Static Transfer Switch series. Designed for seamless and reliable power transfer, this new product line ensures uninterrupted power supply with a switching time of ≤4ms, making it ideal for critical applications in data centers, industrial automation, and telecommunications. The STS series features high-speed thyristors, an intelligent control board, and robust circuit breakers, operating on…
A communication inverter converts DC power (from batteries) into stable AC power for critical loads. Its working principle involves: 1. DC-AC Conversion: Using PWM (Pulse Width Modulation) and IGBT transistors, it transforms 48V/24V DC into 220V/110V AC. 2. Voltage Stabilization: Filters and regulators ensure clean, sine-wave output. 3. Synchronization: Aligns frequency/phase with grid or UPS for seamless switching. Integration in a Rack: - Batteries supply DC…
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This GZDW series DC power panel is a robust and intelligent solution designed for 10–500kV substations, power plants, and industrial facilities. It provides reliable DC power for high-voltage switchgear, relay protection, automation systems, and emergency lighting. Key features include a plug-and-play design for rectifier and monitoring modules, an LCD controller with automatic battery management, and support for multiple communication protocols (RTU, CDT, MODBUS). The system accommodates…
– BWITT has issued its latest innovation in power management: the STS-380VAC Static Transfer Switch series. Designed for seamless and reliable power transfer, this new product line ensures uninterrupted power supply with a switching time of ≤4ms, making it ideal for critical applications in data centers, industrial automation, and telecommunications. The STS series features high-speed thyristors, an intelligent control board, and robust circuit breakers, operating on…
A communication inverter converts DC power (from batteries) into stable AC power for critical loads. Its working principle involves: 1. DC-AC Conversion: Using PWM (Pulse Width Modulation) and IGBT transistors, it transforms 48V/24V DC into 220V/110V AC. 2. Voltage Stabilization: Filters and regulators ensure clean, sine-wave output. 3. Synchronization: Aligns frequency/phase with grid or UPS for seamless switching. Integration in a Rack: - Batteries supply DC…
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Bwitt has launched the RCT-2000 Series, a modular 48VDC 50A rectifier system designed for telecom and industrial environments. With an impressive 93.2% efficiency and a wide AC input range of 90–290VAC, this "green" power solution supports applications like 5G base stations, SCADA networks, and railway systems. The system delivers 3000W output at 53.5VDC and features advanced protections, including overvoltage and short-circuit safeguards. Equipped with Modbus, RS485, and TCP/IP communication ports, the rectifier enables remote monitoring…
This GZDW series DC power panel is a robust and intelligent solution designed for 10–500kV substations, power plants, and industrial facilities. It provides reliable DC power for high-voltage switchgear, relay protection, automation systems, and emergency lighting. Key features include a plug-and-play design for rectifier and monitoring modules, an LCD controller with automatic battery management, and support for multiple communication protocols (RTU, CDT, MODBUS). The system accommodates…
– BWITT has issued its latest innovation in power management: the STS-380VAC Static Transfer Switch series. Designed for seamless and reliable power transfer, this new product line ensures uninterrupted power supply with a switching time of ≤4ms, making it ideal for critical applications in data centers, industrial automation, and telecommunications. The STS series features high-speed thyristors, an intelligent control board, and robust circuit breakers, operating on…
Bwitt’s STS Single Phase Static Transfer Switch has become a standout product at recent international exhibitions in Vietnam, Indonesia, Russia, and Turkey, earning widespread praise for its competitive pricing, reliability, and advanced features. Designed for power supply transitions, the STS ensures uninterrupted load operation by automatically switching to a backup source within ≤4ms during input abnormalities, making it ideal for critical applications. With a 16–125A…
Shenzhen Bwitt Co., Limited, a leading innovator in power conversion solutions, is proud to announce a significant milestone: securing a European order for 300 units of its advanced **110VDC/220VAC 3KVA Pure Sine Wave Inverters. This achievement underscores Bwitt’s growing global reputation for reliability and cutting-edge technology in the telecom and industrial sectors. The DT-1000 Series inverter, designed for 19-inch rack mounting, delivers 3000VA/2400W** of pure sine…
BWITT is a professional power system manufactuer producing the inverter and rectifier system ,STS,UPS and DC DC Converter ,Solar inverter and so on over 10 years . Today we would like to recommend the most popular products at telecom marketing . 48VDC to 220VAC from 1 kVA to 10kva Single phase standalone Inverter – it is designed to meet the demanding needs of telecommunications, industrial, and…
This GZDW series DC power panel is a robust and intelligent solution designed for 10–500kV substations, power plants, and industrial facilities. It provides reliable DC power for high-voltage switchgear, relay protection, automation systems, and emergency lighting. Key features include a plug-and-play design for rectifier and monitoring modules, an LCD controller with automatic battery management, and support for multiple communication protocols (RTU, CDT, MODBUS). The system accommodates…
A communication inverter converts DC power (from batteries) into stable AC power for critical loads. Its working principle involves: 1. DC-AC Conversion: Using PWM (Pulse Width Modulation) and IGBT transistors, it transforms 48V/24V DC into 220V/110V AC. 2. Voltage Stabilization: Filters and regulators ensure clean, sine-wave output. 3. Synchronization: Aligns frequency/phase with grid or UPS for seamless switching. Integration in a Rack: - Batteries supply DC…
Bwitt’s STS Single Phase Static Transfer Switch has become a standout product at recent international exhibitions in Vietnam, Indonesia, Russia, and Turkey, earning widespread praise for its competitive pricing, reliability, and advanced features. Designed for power supply transitions, the STS ensures uninterrupted load operation by automatically switching to a backup source within ≤4ms during input abnormalities, making it ideal for critical applications. With a 16–125A…
Bwitt has launched the RCT-2000 Series, a modular 48VDC 50A rectifier system designed for telecom and industrial environments. With an impressive 93.2% efficiency and a wide AC input range of 90–290VAC, this "green" power solution supports applications like 5G base stations, SCADA networks, and railway systems. The system delivers 3000W output at 53.5VDC and features advanced protections, including overvoltage and short-circuit safeguards. Equipped with Modbus, RS485, and TCP/IP communication ports, the rectifier enables remote monitoring…
Shenzhen Bwitt Co., Limited, a leading innovator in power conversion solutions, is proud to announce a significant milestone: securing a European order for 300 units of its advanced **110VDC/220VAC 3KVA Pure Sine Wave Inverters. This achievement underscores Bwitt’s growing global reputation for reliability and cutting-edge technology in the telecom and industrial sectors. The DT-1000 Series inverter, designed for 19-inch rack mounting, delivers 3000VA/2400W** of pure sine…
This GZDW series DC power panel is a robust and intelligent solution designed for 10–500kV substations, power plants, and industrial facilities. It provides reliable DC power for high-voltage switchgear, relay protection, automation systems, and emergency lighting. Key features include a plug-and-play design for rectifier and monitoring modules, an LCD controller with automatic battery management, and support for multiple communication protocols (RTU, CDT, MODBUS). The system accommodates…
A communication inverter converts DC power (from batteries) into stable AC power for critical loads. Its working principle involves: 1. DC-AC Conversion: Using PWM (Pulse Width Modulation) and IGBT transistors, it transforms 48V/24V DC into 220V/110V AC. 2. Voltage Stabilization: Filters and regulators ensure clean, sine-wave output. 3. Synchronization: Aligns frequency/phase with grid or UPS for seamless switching. Integration in a Rack: - Batteries supply DC…
Bwitt’s STS Single Phase Static Transfer Switch has become a standout product at recent international exhibitions in Vietnam, Indonesia, Russia, and Turkey, earning widespread praise for its competitive pricing, reliability, and advanced features. Designed for power supply transitions, the STS ensures uninterrupted load operation by automatically switching to a backup source within ≤4ms during input abnormalities, making it ideal for critical applications. With a 16–125A…
Bwitt has launched the RCT-2000 Series, a modular 48VDC 50A rectifier system designed for telecom and industrial environments. With an impressive 93.2% efficiency and a wide AC input range of 90–290VAC, this "green" power solution supports applications like 5G base stations, SCADA networks, and railway systems. The system delivers 3000W output at 53.5VDC and features advanced protections, including overvoltage and short-circuit safeguards. Equipped with Modbus, RS485, and TCP/IP communication ports, the rectifier enables remote monitoring…
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