COMPARISON STUDY ON TWO TYPES OF PURE ELECTRO-HYDRAULIC REGULATION SYSTEM USED FOR SMALL TURBINE OF FEED-WATER PUMP FOR ULTRA-SUPERCRITICAL 1000 MW UNIT

SHI Lingling; WAN Wenjun; ZHANG Xi; LI Feng Electric Power Science Research Institute under Guangdong Power Grid Gorp

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COMPARISON STUDY ON TWO TYPES OF PURE ELECTRO-HYDRAULIC REGULATION SYSTEM USED FOR SMALL TURBINE OF FEED-WATER PUMP FOR ULTRA-SUPERCRITICAL 1000 MW UNIT

更新时间：2025-09-28

- COMPARISON STUDY ON TWO TYPES OF PURE ELECTRO-HYDRAULIC REGULATION SYSTEM USED FOR SMALL TURBINE OF FEED-WATER PUMP FOR ULTRA-SUPERCRITICAL 1000 MW UNIT
- Thermal Power Generation Vol. 40, Issue 9, Pages: 5-8(2011)
- 作者机构：
  
  广东电网公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK263.7
- Published：2011
- 稿件说明：
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SHI Lingling, WAN Wenjun, ZHANG Xi, et al. COMPARISON STUDY ON TWO TYPES OF PURE ELECTRO-HYDRAULIC REGULATION SYSTEM USED FOR SMALL TURBINE OF FEED-WATER PUMP FOR ULTRA-SUPERCRITICAL 1000 MW UNIT[J]. Thermal power generation, 2011, 40(9): 5-8.
DOI：

SHI Lingling, WAN Wenjun, ZHANG Xi, et al. COMPARISON STUDY ON TWO TYPES OF PURE ELECTRO-HYDRAULIC REGULATION SYSTEM USED FOR SMALL TURBINE OF FEED-WATER PUMP FOR ULTRA-SUPERCRITICAL 1000 MW UNIT[J]. Thermal power generation, 2011, 40(9): 5-8. DOI：

摘要

介绍了超超临界1 000 MW机组给水泵汽轮机(小机)低压透平油和高压抗燃油纯电液调节控制系统设计、液压伺服系统、监视及紧急跳闸系统等

并对2种纯电液调节系统的结构、控制等进行了对比分析。结果表明

2种纯电液调节系统的主要差异在于液压伺服系统

但控制策略基本一致

控制功能均较成熟。低压透平油纯电液调节系统的控制精度为1‰

满足控制要求

具有系统简洁、环保性好、维护量少等优点

经济性和可靠性较好。

Abstract

Two types of pure electro-hydraulic regulation system used for small turbine of the feed-water pump equipped with ultra-supercritical 1000 MW unit

which use low-pressure turbine oil and high-pressure fire-resistant oil respectively

including the design of control system

the hydraulic servo system

monitoring system

and emergency trip system etc.

have been presented

the structure and control logic of said two types of pure electro-hydraulic regulation system being compared and analysed

the main difference lies in the hydraulic servo system.The control strategy of both is basically the same

and the control functions of them are comparatively matured.The control precision of regulation system using low-pressure trubine oil is 1‰

which can satisfy the requiremetns of control

having advantages of simple system

environment frpendly

and small amount of maintenance work.The pure electro-hydraulic regulation system using low-pressure turbine oil has better economic efficiency

reliability

and environment-protecting behavior.

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