GB/T 36550-2018 in English
VALIDBasic terminology of pumped storage power station
- Issued on:2018-07-13
- Implemented on:2019-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
$476.00
《GB/T 36550-2018抽水蓄能电站基本名词术语》由524（中国电力企业联合会）归口，主管部门为中国电力企业联合会。
Introduction
Analysis of the core content of the standard
This standard systematically standardizes the terminology of core equipment such as pump turbine and generator motor involved in the entire life cycle of a pumped-storage power station, as well as the definitions of key technical links such as commissioning tests and operating conditions. It contains 8 chapters and 256 terminology items in total.
Terminology Architecture
| Chapter | Number of Terms | Core Terms Examples |
|---|---|---|
| 2. Power Station | 6 | Hybrid Pumped Storage Power Station, Daily Regulation |
| 3. Hydraulic Structures | 34 | Rock Wall Crane Beam, Penstock Drainage Gallery |
| 4. Hydraulic Machinery | 58 | Pump Specific Speed, Full Characteristic Curve |
| 6. Electrical Equipment | 28 | Static Frequency Conversion Device, Black Start Mode |
Analysis of key technical parameters
Key indicators of head/lift
- Maximum gross head of power station (Hgmax): The elevation difference between normal water level and minimum water level, typical value 400-700m
- Maximum head of pump (Hpmax): The head loss of water delivery system needs to be considered, and the calculation formula is: Hpmax=ΔHstatic+Σhf
Typical application case
Tianhuangping Power Station adopts class=instrument>mixed flow pump turbine, with a design head of 526m and a rated speed of 500r/min, its efficiency in power generation conditions is 92.3%, its efficiency in pumping conditions is 91.7%, and its comprehensive cycle efficiency is 81.5%.
Implementation suggestions
Design stage
- Strictly distinguish the design pressure levels of the working seal and maintenance seal of the main inlet and outlet valves
- surge chamber design needs to simultaneously consider the turbine load rejection and water pump power failure conditions
Operation and maintenance
- Establish a operating condition conversion matrix, and standardize the conversion processes of 12 modes such as ST→GC→G
- Periodically conduct load tests on the SFC device to verify the black start capability
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