T/CES 030-2019 Active Group standards

T/CES 030-2019 Active compensation integrated distribution cabinet general technical specification

Publish Date: 2019-01-09 Implement Date: 2019-01-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CES 030-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Communication equipment

ICS Name: Other equipment related to the transmission and distribution networks

Publish Date: 2019-01-09

Implement Date: 2019-01-15

Scope

Scope: This standard specifies the definition, applicable environment, mechanical requirements, electrical requirements, functional requirements, performance requirements, testing methods, inspection rules, marking, packaging, transportation and storage of active compensation integrated distribution cabinets. This standard applies to the design, manufacture, inspection, and application of active compensation integrated distribution cabinets. Main technical content: With the increasing diversity of user loads, the impact of reactive power, unbalanced power, harmonics, and high/low voltage issues on user electricity consumption is becoming more significant. The power quality-induced losses have also drawn increasing attention from power supply companies. Traditional distribution transformer substations are typically equipped with switched capacitors, which can achieve phase-selective reactive power compensation. However, the switching inrush current is large, frequent switching during load fluctuations leads to shortened switch and capacitor lifespan, and the devices are prone to being affected by harmonics and unable to operate. Consequently, the reactive power compensation function is severely limited. Meanwhile, the effectiveness of capacitors in addressing unbalanced power and harmonics in substations is limited, failing to meet the diverse power quality management needs of substations. With the maturity of power electronics technology, its stability has improved significantly and costs have been effectively reduced. The application of integrated compensation devices for low-voltage distribution transformer substations based on power electronics technology has become increasingly widespread. These devices can effectively track and manage reactive power, unbalanced power, and harmonic current generated by loads in real time, providing an effective solution to power quality issues in distribution transformer substations. Integrated compensation devices