JP4886585B2 - 抵抗式のねじりモード防振システムおよび方法 - Google Patents
抵抗式のねじりモード防振システムおよび方法 Download PDFInfo
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- JP4886585B2 JP4886585B2 JP2007117888A JP2007117888A JP4886585B2 JP 4886585 B2 JP4886585 B2 JP 4886585B2 JP 2007117888 A JP2007117888 A JP 2007117888A JP 2007117888 A JP2007117888 A JP 2007117888A JP 4886585 B2 JP4886585 B2 JP 4886585B2
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- 238000002955 isolation Methods 0.000 title claims description 27
- 238000000034 method Methods 0.000 title description 8
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- 230000001629 suppression Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/04—Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for damping motor oscillations, e.g. for reducing hunting
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D19/00—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase
- G05D19/02—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means
-
- 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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/10—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Eletrric Generators (AREA)
- Vibration Prevention Devices (AREA)
Description
i(t)=50A*(K+sin(ω*t))
ただし、iは電流を表し、tは時間を表し、Aはアンペアを表し、ωはシャフトアセンブリの共振角周波数に対応する角周波数を表し、kは(上述のように)0以上である。i(t)の平方が有効電力に対応する場合、以下の関数がもたらされる。
i(t)2=(50A)2*(K2+2*K*sin(ω*t)+(sin(ω*t))2)
この関数の第2項は優勢であり、近似正弦波の有効電力の散逸をもたらすのに役立つ。上記に論じたように、用途によっては、より高い損失を生じるが同時により優れた正弦波近似を生成する、より高いk値を使用することができる。ωの2次高周波が機械システムに反応を示さないその他の用途では、たとえば、機械システムが2ωに近い共振点を全く持たない場合、kは低い値または0に低下させることができる。
12 シャフト
13 ギアボックス
14 機械
15 圧縮機
16 センサ
18 防振システム制御装置
20 防振装置
22 防振変換器
24 抵抗器
25 センサ
26 電源バス
27 ダイオード
28 駆動部
29 PWM制御素子
30 変圧器
31 変圧器
32 抵抗器または誘導器
33 コンデンサ
34 インバータ
35 低域フィルタ
36 整流器
37 加算素子
38 機械
39 利得
41 PWM制御装置
43 信号
44 帯域フィルタ
45 リミッタ
46 帯域フィルタ
47 電流センサ
48 移相器
49 差分素子
50 移相器
51 点弧角制御装置
52 利得
53 タービン
54 利得
55 スイッチ
56 加算素子
57 DC成分素子
58 加算素子
60 ギアボックス
62 同期発電機
64 変換器
66 変圧器
68 回路ブレーカ
89 風力羽根アセンブリ
110 防振システム
112 シャフト
114 機械
116 センサ
118 防振システム制御装置
122 防振変換器
126 電源バス
144 帯域フィルタ
148 移相器
152 利得
153 タービン
210 防振システム
212 シャフト
214 機械
216 センサ
218 防振システム制御装置
222 防振変換器
226 電源バス
312 シャフト
316 センサ
318 防振システム制御装置
322 防振変換器
326 電源バス
331 変圧器
412 シャフト
416 センサ
422 防振変換器
426 電源バス
Claims (10)
- 機械(14)のシャフト(12)に関する抵抗式のねじりモード防振システム(10)であって、
前記シャフトのトルクを表す信号を感知するように構成されたセンサ(16)と、
前記シャフトの自然周波数に対応する前記シャフトのねじり振動の存在を検出するために前記感知された信号を使用し、前記ねじり振動を防振するための制御信号を生成するように構成された制御装置(18)と、
防振変換器(22)、および前記防振変換器のDC出力に連結された抵抗器(24)とを備える防振装置(20)であって、前記防振変換器が電源バス(26)を介して前記機械に連結され、前記機械の公称出力の約5%以下の程度の電力定格を有する防振装置とを備えるシステム。 - 前記抵抗器と直列に結合され、前記制御信号を受け取るように構成されたパルス幅変調(PWM)素子(29)をさらに備え、前記防振変換器がダイオード整流器を備える、請求項1記載の防振システム。
- 前記PWM素子が、絶縁ゲートバイポーラトランジスタまたは集積型ゲート転流サイリスタを備える、請求項2記載の防振システム。
- 前記抵抗器の両端での電圧または電流を表すパラメータを得るための追加のセンサ(25)をさらに備える、請求項2記載の防振システム。
- 前記機械がモータ(14)を備える、請求項1記載の防振システム。
- 前記防振変換器が、サイリスタ整流器またはIGBT整流器を備える、請求項5記載の防振システム。
- 前記機械が発電機を備える、請求項1記載の防振システム。
- 電気モータ駆動の圧縮機、風力タービン、または製造ライン内で実施される、請求項1記載の防振システム。
- 前記防振装置が複数の防振装置(20、120、220)を備え、前記防振装置のそれぞれが、それぞれの防振変換器(22、122、222)、および前記それぞれの防振変換器の前記DC出力に結合されたそれぞれの抵抗器(24、124、224)を備え、各それぞれの防振変換器が、前記電源バス(26)を介して前記機械に連結され、前記機械の公称出力の約5%以下の程度の電力定格を有する、請求項1記載の防振システム。
- 機械 (14)のシャフト(12)に関する抵抗式のねじりモード防振方法(10)であって、前記方法が、
前記シャフトのトルクを表す信号を感知するステップと、
前記シャフトの自然周波数に対応する前記シャフトのねじり振動の存在を検出し、前記ねじり振動を防振するための制御信号を生成するために前記感知された信号を使用するステップと、
前記制御信号を防振装置(20)に送るステップであって、前記防振装置(20)が、防振変換器(22)と、前記防振変換器のDC出力に連結された抵抗器(24)とを備え、前記防振変換器が電源バス(26)を介して前記機械に連結され、前記機械の公称出力の約5%以下の程度の電力定格を有するステップとを含む方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/381,900 US7423411B2 (en) | 2006-05-05 | 2006-05-05 | Resistive torsional mode damping system and method |
US11/381,900 | 2006-05-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007299399A JP2007299399A (ja) | 2007-11-15 |
JP2007299399A5 JP2007299399A5 (ja) | 2011-05-26 |
JP4886585B2 true JP4886585B2 (ja) | 2012-02-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007117888A Expired - Fee Related JP4886585B2 (ja) | 2006-05-05 | 2007-04-27 | 抵抗式のねじりモード防振システムおよび方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7423411B2 (ja) |
JP (1) | JP4886585B2 (ja) |
CN (1) | CN101101039B (ja) |
DE (1) | DE102007021513A1 (ja) |
GB (1) | GB2437845B (ja) |
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-
2006
- 2006-05-05 US US11/381,900 patent/US7423411B2/en not_active Expired - Fee Related
-
2007
- 2007-04-27 JP JP2007117888A patent/JP4886585B2/ja not_active Expired - Fee Related
- 2007-04-30 CN CN2007101266568A patent/CN101101039B/zh not_active Expired - Fee Related
- 2007-05-04 DE DE102007021513A patent/DE102007021513A1/de not_active Withdrawn
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Also Published As
Publication number | Publication date |
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DE102007021513A1 (de) | 2008-01-10 |
US7423411B2 (en) | 2008-09-09 |
GB2437845B (en) | 2011-08-17 |
GB0708775D0 (en) | 2007-06-13 |
US20070279012A1 (en) | 2007-12-06 |
JP2007299399A (ja) | 2007-11-15 |
GB2437845A (en) | 2007-11-07 |
CN101101039A (zh) | 2008-01-09 |
CN101101039B (zh) | 2012-01-11 |
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