JP2017221104A - 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
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- JP2017221104A JP2017221104A JP2017112013A JP2017112013A JP2017221104A JP 2017221104 A JP2017221104 A JP 2017221104A JP 2017112013 A JP2017112013 A JP 2017112013A JP 2017112013 A JP2017112013 A JP 2017112013A JP 2017221104 A JP2017221104 A JP 2017221104A
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- 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
- 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
- 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
- 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—ELECTRIC POWER NETWORKS; 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—ELECTRIC POWER NETWORKS; 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—ELECTRIC POWER NETWORKS; 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 using reactive elements connected in series with semiconductor switches, e.g. static VAR compensators [SVC], thyristor-controlled reactors [TCR] or thyristor-switched capacitors [TSC]
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electrical Variables (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
【解決手段】無効電力補償システムの損失測定装置は、少なくとも一つ以上の負荷、無効電力補償部、少なくとも一つ以上の検出部、測定部及び損失計算部を含むことができる。前記少なくとも一つ以上の負荷は、受電端に連結されてもよい。無効電力補償部は、少なくとも一つ以上の機器を含むことができる。測定部は、少なくとも一つ以上の機器に設けられた、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ことができる。損失計算部は、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ことができる。
【選択図】図1
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 (9)
- 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機器は、少なくとも一つ以上のメイン装置と、少なくとも一つ以上の補助装置を含む請求項1に記載の無効電力補償システムの損失測定装置。
- 前記メイン装置は、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請求項2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3に記載の無効電力補償システムの損失測定装置。 - 前記補助装置は、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請求項2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5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 true JP2017221104A (ja) | 2017-12-14 |
| JP6348208B2 JP6348208B2 (ja) | 2018-06-27 |
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| 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 (8)
| 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 |
| CN111861067B (zh) * | 2019-04-30 | 2024-09-03 | 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 |
| CN115420956B (zh) * | 2022-08-24 | 2026-01-20 | 深圳供电局有限公司 | 一种svg本体损耗测量方法和装置 |
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| 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 |
| JP2003189475A (ja) * | 2001-12-20 | 2003-07-04 | Fuji Electric Co Ltd | 系統連系電力変換装置 |
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| WO1992015929A1 (en) * | 1991-03-07 | 1992-09-17 | The Board Of Regents Of The University Of Washington | Reactive power compensator |
| SE515107C2 (sv) * | 1996-06-17 | 2001-06-11 | Abb Ab | Förfarande och anordning för kompensering av reaktiv effekt |
| 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 |
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| 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 |
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2016
- 2016-06-07 KR KR1020160070213A patent/KR20170138167A/ko not_active Withdrawn
-
2017
- 2017-05-18 US US15/599,198 patent/US20170350924A1/en not_active Abandoned
- 2017-05-18 EP EP17171755.6A patent/EP3258276A1/en not_active Withdrawn
- 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
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2003189475A (ja) * | 2001-12-20 | 2003-07-04 | Fuji Electric Co Ltd | 系統連系電力変換装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107478910A (zh) | 2017-12-15 |
| CN107478910B (zh) | 2020-06-19 |
| EP3258276A1 (en) | 2017-12-20 |
| US20170350924A1 (en) | 2017-12-07 |
| KR20170138167A (ko) | 2017-12-15 |
| JP6348208B2 (ja) | 2018-06-27 |
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