CN112834216B - 一种测定发电机轴系固有频率的方法 - Google Patents
一种测定发电机轴系固有频率的方法 Download PDFInfo
- Publication number
- CN112834216B CN112834216B CN202110008190.1A CN202110008190A CN112834216B CN 112834216 B CN112834216 B CN 112834216B CN 202110008190 A CN202110008190 A CN 202110008190A CN 112834216 B CN112834216 B CN 112834216B
- Authority
- CN
- China
- Prior art keywords
- frequency
- natural frequency
- torsional vibration
- generator
- statcom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H13/00—Measuring resonant frequency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110008190.1A CN112834216B (zh) | 2021-01-05 | 2021-01-05 | 一种测定发电机轴系固有频率的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110008190.1A CN112834216B (zh) | 2021-01-05 | 2021-01-05 | 一种测定发电机轴系固有频率的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112834216A CN112834216A (zh) | 2021-05-25 |
CN112834216B true CN112834216B (zh) | 2023-03-14 |
Family
ID=75927718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110008190.1A Active CN112834216B (zh) | 2021-01-05 | 2021-01-05 | 一种测定发电机轴系固有频率的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112834216B (zh) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101169352B (zh) * | 2007-11-29 | 2010-08-11 | 北京四方继保自动化股份有限公司 | 测试大型汽轮发电机组轴系扭振模态的扫频法 |
CN102116671B (zh) * | 2009-12-31 | 2012-02-15 | 中国神华能源股份有限公司 | 测量发电机组轴系模态频率的扫频方法 |
EP2516164A2 (en) * | 2010-03-11 | 2012-10-31 | Siemens Aktiengesellschaft | Method and system for damping subsynchronous resonant oscillations in a power system using a wind turbine |
CN103326382A (zh) * | 2013-04-19 | 2013-09-25 | 上海交通大学 | 基于statcom的次同步振荡反振荡抑制系统及方法 |
CN107681940B (zh) * | 2017-09-22 | 2020-07-28 | 中国南方电网有限责任公司 | 一种基于同步发电机机端电气信号提取的转速监测方法 |
-
2021
- 2021-01-05 CN CN202110008190.1A patent/CN112834216B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN112834216A (zh) | 2021-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10408879B2 (en) | Method and apparatus for diagnosing a fault condition in an electric machine | |
RU2599910C2 (ru) | Способ и устройство для выявления в онлайн-режиме ухудшения состояния изоляции электродвигателя | |
EP3220120B1 (en) | Method, diagnostic device and system for determining fault conditions in an electrical machine | |
Leonidovich et al. | The development and use of diagnostic systems and estimation of residual life in industrial electrical equipment | |
CN112834216B (zh) | 一种测定发电机轴系固有频率的方法 | |
Dreyer et al. | Quasi-distributed optical fiber transducer for simultaneous temperature and vibration sensing in high-power generators | |
Martín et al. | Ground faults location in poles of synchronous machines through frequency response analysis | |
KR101886192B1 (ko) | 변압기 진단장치 | |
CN108535558B (zh) | 一种电力稳定器的测试方法及系统 | |
CN108536116B (zh) | 一种调速系统的测试方法及系统 | |
CN106324104A (zh) | 一种基于振动声学法的瓷支柱绝缘子检测方法 | |
CN109085375A (zh) | 一种旋转机械的键相脉冲信号监测方法及装置 | |
Bissonnette | End-winding vibration monitoring and interpretation | |
Prasad et al. | Looseness identification of stator end windings of induction motor by modal test | |
Hudon et al. | The importance of phase resolved partial discharge pattern recognition for on-line generator monitoring | |
CN103116106B (zh) | 一种电力系统自由振荡和强迫振荡的辨别方法 | |
CN102116671B (zh) | 测量发电机组轴系模态频率的扫频方法 | |
CN105158687A (zh) | 一种发电机次同步振荡模态信号的测量设备和方法 | |
Aakre et al. | Review of partial discharge and dielectric loss tests for hydropower generator bars | |
CN112640243B (zh) | 用于识别供电网中的低频振荡的方法和风能设备 | |
CN112782545A (zh) | 一种测试发电机局部放电的方法 | |
Cabanas et al. | A new on-line method for the early detection of broken rotor bars in asynchronous motors working under arbitrary load conditions | |
Berruti et al. | A test rig for non-contact travelling wave excitation of a bladed disk with underplatform dampers | |
Ruiz-Sarrio et al. | Broadband Technique Analysis for Insulation Fault Detection and Condition Monitoring in Rotating Electrical Machines | |
Moore et al. | Generator stator end winding resonance: problems and solutions |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 3 liyuanli, Chaoyang District, Beijing 100025 Patentee after: China Shenhua Energy Co.,Ltd. Guohua Power Branch Patentee after: SHAANXI GUOHUA JINJIE ENERGY Co.,Ltd. Patentee after: Rongxin Huike Electric Co.,Ltd. Address before: 3 liyuanli, Chaoyang District, Beijing 100025 Patentee before: China Shenhua Energy Co.,Ltd. Guohua Power Branch Patentee before: SHAANXI GUOHUA JINJIE ENERGY Co.,Ltd. Patentee before: RONGXIN HUIKO ELECTRIC TECHNOLOGY Co.,Ltd. Address after: 3 liyuanli, Chaoyang District, Beijing 100025 Patentee after: China Shenhua Energy Co.,Ltd. Guohua Power Branch Patentee after: SHAANXI GUOHUA JINJIE ENERGY Co.,Ltd. Patentee after: RONGXIN HUIKO ELECTRIC TECHNOLOGY Co.,Ltd. Address before: 3 liyuanli, Chaoyang District, Beijing 100025 Patentee before: China Shenhua Energy Co.,Ltd. Guohua Power Branch Patentee before: SHAANXI GUOHUA JINJIE ENERGY Co.,Ltd. Patentee before: Rongxin Huike Electrical Technology Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |