369-HI-R-M-0-0-H-E GE Motor protection and management relay

1、 Product Overview
369-HI-R-M-0-0-H-E GE is a motor protection and management relay produced by General Electric (GE) Multi Line Company, specifically designed to protect medium-sized motors and their associated components. This relay has a high degree of flexibility and configurability, capable of “learning” and adapting to the needs of each individual motor, providing more specific and precise protection.
2、 Main functions and features
Motor protection:
Provide multiple protection functions, such as overload protection, short circuit protection, phase loss protection, etc., to ensure the safe operation of the motor under various working conditions.
By learning the operating characteristics of the motor, automatically adjust the protection parameters to meet the needs of different motors.
Motor management:
Monitor and record the operation data of the motor, such as the total accumulated million watt hours, the number of motor trips, the number of motor starts, and the total operating time.
These data not only provide general information, but also help diagnose motor faults and plan future maintenance.
Advanced features:
Supports speed switch input, allowing the use of external speed devices to distinguish between normal startup and locked rotor conditions, and to turn off the relay when conditions are poor.
Equipped with waveform capture and other inputs such as digital counters, as well as programmable analog outputs, to meet different motor management needs.
Enhanced design and protection:
The shell has flame retardancy and corrosion resistance, providing additional protection for the equipment.
Installed in a demonstration metal portable case to provide some protection against environmental factors during operation.
Conformal coating is a thin polymer film that can protect relays from temperature changes, corrosive substances, dust, and humidity.
3、 Technical specifications
Control power input range: 110 to 250 volts DC, 100 to 240 volts AC, frequency 50/60 hertz.
Differential switch time delay:<200 ms.
Size: Height 29.6 cm x Width 10.7 cm x Length 20.5 cm.
Weight: Approximately 10 pounds.
Working range: -40 degrees Celsius (-40 degrees Fahrenheit) to+60 degrees Celsius (140 degrees Fahrenheit).
Storage range: -40 degrees Celsius (-40 degrees Fahrenheit) to+80 degrees Celsius (176 degrees Fahrenheit).
4、 Application and Installation
This relay should be installed away from strong magnetic fields or high current conductors, as prolonged exposure to these environments may cause damage to the relay. In addition, it can also communicate with other devices such as controllers, monitoring systems, etc. to achieve more comprehensive motor protection and management.
5、 Summary
369-HI-R-M-0-0-H-E GE Motor Protection and Management Relay is a powerful and well-designed motor protection device. It ensures the safe and efficient operation of the motor by providing multiple protection functions and advanced management features. Meanwhile, its enhanced design and protective features further improve the reliability and durability of the equipment.

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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