TVOC-2-240 ABB Arc light monitoring system/arc protection relay

1、 Basic Information
Product Name: TVOC-2-240
Brand: ABB
Product Type: Arc Light Monitoring System/Arc Protection Relay
Product Code: 1SFA664001R1001
2、 Functional Features
Arc detection and protection:
TVOC-2-240 detects the light generated by the arc and uses fast IGBT contacts to send electrical signals to nearby circuit breakers within 1 millisecond to disconnect the power supply and extinguish the arc. This fast response time is crucial for preventing damage to personnel and equipment caused by arc faults.
The system consists of arc monitors equipped with optical sensors for detecting arcs. For certain special applications, additional current sensing units can be added to prevent external factors such as strong light (such as sunlight) from inadvertently triggering the system.
System composition and scalability:
The arc monitor has 10 detector inputs and can trip up to three area selective circuit breakers if needed.
Up to 2 expansion units can expand the number of light detectors to 30, including an HMI (Human Machine Interface) that can be placed outside the door.
The length range of the detector is wide to accommodate complete switchgear designs.
Safety and reliability:
The TVOC-2 arc monitoring system has obtained functional safety (SIL-2) standard certification and complies with IEC61508 and IEC62061 standards. These standards ensure the reliability and safety of the product.
3、 Application scenarios
TVOC-2-240 is suitable for various occasions where arc faults need to be prevented, such as low and medium voltage switchgear. Its design emphasizes the reliability, flexibility, and simplicity of the product, providing reliable arc fault solutions for various devices.
4、 Technical parameters
Power supply voltage: 100… 250 V DC or 100… 240 V AC 50/60 Hz
Size:
Product net width: 210mm
Product net height: 230 millimeters
Product net depth/length: 80mm
Net weight of product: 1.2 kilograms

Recently, ABB Group, headquartered in Switzerland, has attracted industry attention for a technology called “Flash Charging”. According to the information obtained from ABB (China) Enterprise Communication Department, “This technology was designed to be promoted globally

The system has been operating on the route between Geneva Airport and Palexpo Exhibition Center since May 26th and will continue until March 14th, 2014. The head of the company stated that this technology is suitable for ordinary cities, large cities, and mega cities seeking sustainable public transportation solutions. Used for high-frequency bus routes to alleviate traffic congestion in urban areas

According to ABB, this technology is equipped with a water-cooled lithium titanate oxide LTO battery pack with a service life of 10 years. There is a rooftop charging system at the station that can charge for 15 seconds at a power of 400 kilowatts. These charging systems are connected to the power grid and equipped with intermediate storage devices (supercapacitors) to reduce the impact of short-term high power on the grid. The fast charging point can charge buses up to 1.65 kWh. In addition, at the bus terminal, there is a 200 kW charger that can fully charge the battery in 3-4 minutes.

At present, pure electric buses using this technology can carry 135 people. When the vehicle stops at the station, it is located by infrared, and the charging point on the roof is connected to the moving arm controlled by laser after positioning. After completing a 15 second recharge, the vehicle continues to move forward without affecting the normal operation of the bus. Its concept is similar to that of a tram, but it does not require the installation of a complex network.

In addition to ABB, similar concepts of fast charging during driving are also being promoted by many companies in China. During an interview with reporters, Wang Binggang, the leader of the supervision and consulting expert group for the National 863 Program’s major projects on energy conservation and new energy vehicles, referred to this mode as “online charging” The online charging mode can effectively solve the contradiction between battery quantity and range Wang Binggang stated. It is reported that currently, bus companies such as Hunan CSR Times Electric Vehicle, Youth Bus, and Hengtong Electric Vehicle are developing and promoting similar technologies.

As a Fortune 500 company, ABB’s business scope includes power and automation technology. In the field of electric vehicles in China, ABB is a supplier of DC drives, motors, programmable controller products, electric vehicle charging infrastructure, and energy storage products. In the field of charging infrastructure, ABB has not had a good opportunity, perhaps the latest “flash charging technology” can find some market space for ABB.

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