JP6348208B2 - 無効電力補償システムの損失測定装置 - Google Patents
無効電力補償システムの損失測定装置 Download PDFInfo
- Publication number
- JP6348208B2 JP6348208B2 JP2017112013A JP2017112013A JP6348208B2 JP 6348208 B2 JP6348208 B2 JP 6348208B2 JP 2017112013 A JP2017112013 A JP 2017112013A JP 2017112013 A JP2017112013 A JP 2017112013A JP 6348208 B2 JP6348208 B2 JP 6348208B2
- Authority
- JP
- Japan
- Prior art keywords
- reactive power
- loss
- unit
- current
- phase
- 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.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
- G01R27/2694—Measuring dielectric loss, e.g. loss angle, loss factor or power factor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/48—Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy
- G01R11/52—Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy for measuring reactive component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/001—Measuring real or reactive component; Measuring apparent energy
- G01R21/003—Measuring reactive component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/16—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using capacitive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
- G01R21/1331—Measuring real or reactive component, measuring apparent energy
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
- G01R25/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller, or for passing one of the input signals as output signal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
-
- 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
- Y02E40/30—Reactive power compensation
Description
Ploss=VIt
Plossは損失電力であり、Vは当該機器で測定された電圧であり、Iは当該機器で測定された電流であり、tは時間である。
一方、損失計算部43の代りに、制御部45で当該経済性を判断することもできる。
12:枝線
13、15、17、19、33:検出部
13a、15a、17a、19a:変圧器
13b、15b、17b、18b:変流器
21a、21b、21c、23a、23b、23c:負荷
21a、21b、21c:アーク炉
23a、23b、23c:精錬路
25:誘導性補償部
27:容量性補償部
29:高調波フィルター部
30:無効電力補償部
40:制御システム
41:測定部
43:損失計算部
45:制御部
47:貯蔵部
Claims (6)
- 無効電力を補償する無効電力補償システムの損失測定装置に関するものであって、
受電端に連結された少なくとも一つ以上の負荷;
前記受電端に連結されて、少なくとも一つ以上の機器を含む無効電力補償部;
前記少なくとも一つ以上の機器に設けられており、電圧、電圧の位相、電流及び電流の位相を検出する少なくとも一つ以上の検出部;
前記少なくとも一つ以上の検出部から検出された電圧、電圧の位相、電流及び電流の位相に基づいて電圧データ、電流データ及び位相角を測定する測定部;及び
前記測定された電圧データ、電流データ及び位相角に基づいて、前記少なくとも一つ以上の機器の損失電力を計算する損失計算部を含み、
前記少なくとも一つ以上の機器は、少なくとも一つ以上のメイン装置であって誘導性補償部、容量性補償部及び高調波フィルター部のうち少なくとも一つ以上を含むメイン装置と、少なくとも一つ以上の補助装置であってバッテリー、非常発電機及びエアコンディショナーのうち少なくとも一つ以上を含む補助装置を含む
無効電力補償システムの損失測定装置。 - 前記少なくとも一つ以上の検出部は、
前記誘導性補償部の入力側に設けられる第1の検出部;
前記容量性補償部の入力側に設けられる第2の検出部;及び
前記高調波フィルター部の入力側に設けられる第3の検出部を含む請求項1に記載の無効電力補償システムの損失測定装置。 - 前記少なくとも一つ以上の検出部は、
前記バッテリーの入力側に設けられる第4の検出部;
前記非常発電機の入力側に設けられる第5の検出部;及び
前記エアコンディショナーの入力側に設けられる第6の検出部を含む請求項1に記載の無効電力補償システムの損失測定装置。 - 前記受電端と前記少なくとも一つ以上の負荷の間に設けられる、別の検出部をさらに含む請求項1に記載の無効電力補償システムの損失測定装置。
- 前記損失計算部で算出された時間単位の損失電力と一日の平均量を貯蔵する貯蔵部をさらに含む請求項1に記載の無効電力補償システムの損失測定装置。
- 前記損失計算部は、
前記無効電力補償部が消耗する損失電力と無効電力を補償する補償電力を比較して、前記無効電力補償部の経済性を判断する請求項1に記載の無効電力補償システムの損失測定装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2016-0070213 | 2016-06-07 | ||
KR1020160070213A KR20170138167A (ko) | 2016-06-07 | 2016-06-07 | 무효 전력 보상 시스템의 손실 측정 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017221104A JP2017221104A (ja) | 2017-12-14 |
JP6348208B2 true JP6348208B2 (ja) | 2018-06-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017112013A Expired - Fee Related JP6348208B2 (ja) | 2016-06-07 | 2017-06-06 | 無効電力補償システムの損失測定装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20170350924A1 (ja) |
EP (1) | EP3258276A1 (ja) |
JP (1) | JP6348208B2 (ja) |
KR (1) | KR20170138167A (ja) |
CN (1) | CN107478910B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106374503B (zh) * | 2016-09-12 | 2018-12-07 | 珠海格力电器股份有限公司 | 电压跌落、电气设备并网处理方法、装置及系统 |
US10418201B2 (en) * | 2018-02-14 | 2019-09-17 | Schweitzer Engineering Laboratories, Inc. | Point on wave switching using slow speed processing |
CN109361223B (zh) * | 2018-11-06 | 2022-03-11 | 国网天津市电力公司 | 配网无功补偿器位置确认方法 |
CN109494758A (zh) * | 2018-12-29 | 2019-03-19 | 北京山工智能科技有限公司 | 一种精细无功补偿控制系统及其方法 |
CN111861067A (zh) * | 2019-04-30 | 2020-10-30 | 北京金风科创风电设备有限公司 | 风电机组的损耗补偿控制方法和装置 |
CN110739705B (zh) * | 2019-10-28 | 2021-07-30 | 南方电网科学研究院有限责任公司 | 一种基于分接头的无功补偿方法、装置及设备 |
CN112730971B (zh) * | 2020-12-17 | 2023-10-24 | 广州发展电力科技有限公司 | 一种无功功率的测量系统 |
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ATE141422T1 (de) * | 1991-03-07 | 1996-08-15 | Univ Washington | Blindleistungskompensator |
SE515107C2 (sv) * | 1996-06-17 | 2001-06-11 | Abb Ab | Förfarande och anordning för kompensering av reaktiv effekt |
JP2001112175A (ja) * | 1999-10-06 | 2001-04-20 | Nissin Electric Co Ltd | 無効電力補償装置の制御装置 |
US7353123B2 (en) * | 2001-10-04 | 2008-04-01 | Hitachi, Ltd. | Leakage current or resistance measurement method, and monitoring apparatus and monitoring system of the same |
US6573691B2 (en) * | 2001-10-17 | 2003-06-03 | Hatch Associates Ltd. | Control system and method for voltage stabilization in electric power system |
JP3838093B2 (ja) * | 2001-12-20 | 2006-10-25 | 富士電機システムズ株式会社 | 系統連系電力変換装置 |
JP2006349424A (ja) * | 2005-06-14 | 2006-12-28 | Toyoji Ahei | 漏洩電流検出システム及び方法 |
CN101626162B (zh) * | 2008-07-12 | 2012-05-23 | 湖北盛佳电器设备有限公司 | 具有功率因数补偿功能的用电管理终端 |
US8796883B2 (en) * | 2010-04-01 | 2014-08-05 | Westell, Inc. | Hybrid power management system and method for unmanned remote cell sites |
EP2583369A4 (en) * | 2010-06-17 | 2013-11-06 | Awesense Wireless Inc | METHOD, SENSOR DEVICE AND SYSTEM FOR DETERMINING LOSSES IN AN ELECTRICAL POWER NETWORK |
WO2012152320A1 (en) * | 2011-05-10 | 2012-11-15 | Abb Research Ltd | An arrangement and a method for determining a parameter of an alternating voltage grid |
CN202797998U (zh) * | 2012-09-17 | 2013-03-13 | 成都讯易达通信设备有限公司 | 一种风电网电能质量监控及无功补偿装置 |
CN103414200B (zh) * | 2013-08-16 | 2014-10-08 | 四川晨龙航天电器设备有限公司 | 高低压配电网自动无功补偿系统监测及控制方法 |
KR101569613B1 (ko) * | 2014-04-14 | 2015-11-17 | 엘에스산전 주식회사 | Hvdc의 손실 측정 시스템 |
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-
2016
- 2016-06-07 KR KR1020160070213A patent/KR20170138167A/ko unknown
-
2017
- 2017-05-18 EP EP17171755.6A patent/EP3258276A1/en not_active Withdrawn
- 2017-05-18 US US15/599,198 patent/US20170350924A1/en not_active Abandoned
- 2017-05-27 CN CN201710388226.7A patent/CN107478910B/zh not_active Expired - Fee Related
- 2017-06-06 JP JP2017112013A patent/JP6348208B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN107478910A (zh) | 2017-12-15 |
JP2017221104A (ja) | 2017-12-14 |
CN107478910B (zh) | 2020-06-19 |
KR20170138167A (ko) | 2017-12-15 |
US20170350924A1 (en) | 2017-12-07 |
EP3258276A1 (en) | 2017-12-20 |
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