269PLUS-100P-HI Motor management relay

Basic parameters:
Resistance characteristics: The relay has a resistance of 100 ohms and is equipped with a Platinum RTD.
Size and weight: The dimensions of the transport box are 11.40 inches x 7.50 inches x 16.00 inches (width x height x depth), and the transport weight is 7.75 pounds.
Working environment temperature: The storage and operation environment temperature should be between -25 ° C and 60 ° C.
Input/output ports:
Input ports: including instrument communication port, backup input, differential relay input, speed switch input, programming access jumper or key switch, external reset button, emergency restart key switch, 6 stator thermal resistors, 4 additional thermal resistors, ground fault current mutual inductor, phase current transformer, power terminal, and universal AC/DC power input.
Output port: There is one programmable analog input and four output relays.
Functional features:
Motor protection function: It can provide various protections for motors and equipment, such as preventing damage to motors caused by operator misoperation, preventing electric shock hazards to personnel, preventing damage to gears, pumps, fans, sawmill equipment, cutting machines, compressors, etc. due to mechanical blockage, preventing pump failure due to suction loss or fan failure due to airflow loss, preventing motor and load bearings from overheating due to mechanical wear, adapting to motor operation protection at different environmental temperatures, protecting high inertia and long acceleration drive systems, etc.
Operation mode and display: There are some buttons on the relay control panel. Pressing the actual value button can put the relay into actual value mode, and users can view the actual operating parameters of all motors; Pressing the set point button will enter the set point mode, where users can view and change all trip, alarm, and other relay set points.
Status indicator: The LED status indicator on its panel can reflect the system process and alert nearby users when certain situations occur within the motor system.
This relay is mainly used for monitoring and protection of medium-sized motors. It has a wide range of applications in motor control systems in industrial automation, power, mechanical manufacturing, and other fields.

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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