1756-PSCA Power module

1、 Electrical characteristics
Input voltage range: It can usually accept a wide range of AC or DC input voltages to adapt to different industrial application scenarios. The specific input voltage range may vary depending on the model and configuration.
Output power: It has a certain output power and can provide stable power supply for the connected devices. The output power may also vary depending on the model.
Output voltage: Generally, multiple DC output voltages can be provided, such as 5V, 12V, 24V, etc., to meet the needs of different devices.
2、 Functional Features
Protection function:
Overvoltage protection: When the output voltage exceeds the set safe value, the power module will automatically cut off the output to prevent connected devices from being damaged by excessive voltage.
Undervoltage protection: If the input voltage is too low, the power module will take corresponding measures to prevent unstable output voltage from causing adverse effects on the equipment.
Overload protection: When the load current exceeds the rated output current of the power module, the overload protection mechanism will be triggered to prevent damage to the power module due to overload.
Short circuit protection: In the event of a short circuit fault at the output terminal, the power module can quickly cut off the output to protect itself and the connected equipment.
Hot swappable function (available on some models): allows the insertion or removal of power modules during system operation without affecting other parts of the system. This greatly improves the maintainability and availability of the system.
Diagnostic function: It can monitor its own working status and provide fault information to users through indicator lights or communication interfaces. For example, when the power module malfunctions, it will issue corresponding alarm signals for users to repair in a timely manner.
3、 Application scenarios
Industrial automation control system: In the fields of factory automation, process control, etc., the 1756-PSCA power module can provide reliable power for programmable logic controllers (PLCs), sensors, actuators, and other equipment.
Intelligent manufacturing system: With the development of intelligent manufacturing, the requirements for power stability and reliability are becoming increasingly high. The 1756-PSCA power module can meet the power requirements of various devices in intelligent manufacturing systems, ensuring efficient operation of the system.
Rockwell Automation’s products are also widely used in other industrial fields such as energy, transportation, and chemical industries. Among them, the 1756-PSCA power module provides stable power supply for various automation equipment in these fields.

As a pioneer in technology, ABB has received an order from Transpower New Zealand to upgrade its high-voltage direct current (HVDC) transmission lines, which interconnect the transmission networks of the North and South Islands.

It is reported that this high-voltage direct current transmission line connecting the North Island and South Island of New Zealand is an important component of the country’s power grid system and also the power balance system between South Africa. ABB’s Ability MACH control system, as the brain or nerve center of the link, will become a key component of the upgrade.

It is reported that the population of the North Island of New Zealand is more than three times that of the South Island, and in addition to its picturesque scenery, it also provides a large amount of hydroelectric power. Therefore, the demand for electricity in the North Island has greatly increased and relies on the power supply in the South Island. The north-south high-voltage direct current transmission interconnection line, which is over 600 kilometers long, can efficiently transmit clean electricity to high demand areas. The line also plays an important role in the New Zealand electricity market by allowing electricity trading between two islands.

ABB has a historic involvement in this project. The first New Zealand HVDC transmission system was built by ABB (formerly ASEA) in 1965, which was also one of the world’s first HVDC transmission systems at that time. It was originally a bipolar 600 megawatt (MW) link with a mercury arc valve, until 1992 when the original equipment was connected in parallel to a single pole and ABB collaborated with it to debug a new thyristor pole, increasing the capacity to 1040 MW.

It is reported that this upgrade includes the upgrade of Valve 2, which is composed of electrodes, optical fibers, and valve control units based on the latest ABB Ability MACH control system. The upgrade will be completed in 2020, and its implementation will minimize the impact on the power grid and electricity trading market.

This upgrade will improve the reliability and availability of the power grid, thereby enhancing power safety and bringing clean energy to consumers, “said Claudio Facchin, President of ABB’s Power Grid Division.” This project reaffirms our strategic focus on services and commitment to integrating renewable energy, as well as the role of digital technology based on ABB’s capabilities, and consolidates our leading position in HVDC technology, becoming the preferred partner for achieving a stronger, smarter, and more environmentally friendly power grid

ABB pioneered high-voltage direct current transmission technology 60 years ago and has obtained approximately 120 high-voltage direct current transmission projects with a total installed capacity of over 130000 megawatts, accounting for about half of the global installation base.

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