GB/T 37404-2019 in English
VALIDApplication guide of soft-start device for high-voltage motor
- Issued on:2019-05-10
- Implemented on:2019-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$117.00
| Standard No: | GB/T 37404-2019 |
| Document status: | VALID |
| Title in English: | Application guide of soft-start device for high-voltage motor |
| Title in Chinese: | 高压电动机软起动装置应用导则 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2019-05-10 |
| Implemented on: | 2019-12-01 |
| ICS Classification: | 29.200-Rectifiers. Convertors. Stabilized power supply |
| Chinese Classification: | K46-Power semiconductor device and parts |
| Professional Classification: | GB-National Standard |
| Related Keywords: | soft start device adjust motor speed
soft start device smooth soft-start device standard formulation high-voltage motor high-voltage motor introduction |
| Related Topics: | conductance voltage
high voltage electric GBT37404 GB/T 37404-2019 High voltage soft start |
《GB/T 37404-2019高压电动机软起动装置应用导则》由TC60（全国电力电子系统和设备标准化技术委员会）归口，TC60SC5（全国电力电子系统和设备标准化技术委员会电机软起动分会）执行，主管部门为中国电器工业协会。
Introduction
1. Background and significance of standard formulation
High-voltage motor soft starter is an important control device in the power system, widely used in loads such as fans, pumps, and mills. With the increase in industrial automation and energy-saving needs, soft start technology plays a key role in ensuring power grid security and reducing power loss.
2. Classification and applicable scenarios of soft start devices
| Type | Working principle | Applicable load | Advantages and disadvantages |
|---|---|---|---|
| Reduced voltage soft start device | Smooth starting by reducing voltage | General fan/pump load | Low cost, but small starting torque |
| Variable frequency soft start device | Adjust motor speed by changing frequency | Loads with high requirements for speed control | Excellent performance, but higher cost |
| Rotor variable resistance soft starter | Smooth start by adjusting rotor resistance | Heavy load starting equipment (such as crusher/elevator) | Suitable for large loads, but with complex structure |
3. Comparison of standard frameworks and analysis of technological evolution
From GB/T33595-2017 to GB/T37404-2019, the standard system of soft starters has been continuously improved. The new version of the standard adds detailed requirements for the bypass function and puts forward stricter specifications for key parameters such as grid voltage drop and starting current ratio.
4. Implementation Suggestions
4.1 Parameter Selection and Matching
- Select the appropriate soft start mode according to the load characteristics
- Fully consider the grid conditions and environmental factors
- Regularly check the impact of parameter changes on equipment performance
4.2 Installation and Maintenance
- Select cables and switchgear in strict accordance with standard requirements
- Ensure the effectiveness of the bypass function
- Regularly check the protection setting value to ensure safe operation
Loading PDF document...
Error loading PDF. Please make sure the file is valid and try again.
We also recommend
-
GB/T 44802-2024 in English
Technical specification for insulated-gate bipolar transistor (IGBT) driver of high-voltage direct current power transmission using voltage sourced converters
2024-10-26 -
GB/T 29629-2013 in English
Water cooling equipment for static var compensators
2013-07-19 -
GB/T 39275-2020 in English
Power electronics systems and equipment—Operation conditions and characteristics of active infeed converter (AIC) applications
2020-11-19 -
GB/T 17950-2000 in English
Semiconductor converter - Part 6: Application guide for the protection of semiconductor converters against overcurrent by fuses
2000-01-03 -
GB/Z 29630-2013 in English
Static var compensators(SVC)—System design and application guidelines
2013-07-19 -
GB/T 35703-2017 in English
Specification of system design for high-voltage direct current (HVDC) transmission using voltage sourced converters (VSC)
2017-12-29 -
GB/T 16859-1997 in English
Terminal markings for valve device stacks and assemblies and for power convertor equipment
1997-09-01
