Protection control method and device for starting and stopping increasing process of natural gas long-distance transportation pipeline compressor
The invention discloses a natural gas long-distance transportation pipeline compressor start-up and stop-down process protection control method and device, and the method comprises the steps: monitoring motor working points of a running unit in the start-up and stop-down process of a compressor unit...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
08.03.2024
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Abstract | The invention discloses a natural gas long-distance transportation pipeline compressor start-up and stop-down process protection control method and device, and the method comprises the steps: monitoring motor working points of a running unit in the start-up and stop-down process of a compressor unit, and carrying out the monitoring of the motor working points in a prefabricated control chart according to the distribution position of the motor working points in the prefabricated control chart; corresponding protection schemes are executed on the operating unit and the reduced-stop unit/the operating unit and the increased-start unit; or, according to the magnitude relation between the motor rotating speed of the reduced-stop/increased-start unit and the preset rotating speed, the motor rotating speed reduction rate of the reduced-stop unit/the motor rotating speed increase rate of the increased-start unit and the anti-surge valve opening/closing rate are controlled. According to the method, by judging the abno |
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AbstractList | The invention discloses a natural gas long-distance transportation pipeline compressor start-up and stop-down process protection control method and device, and the method comprises the steps: monitoring motor working points of a running unit in the start-up and stop-down process of a compressor unit, and carrying out the monitoring of the motor working points in a prefabricated control chart according to the distribution position of the motor working points in the prefabricated control chart; corresponding protection schemes are executed on the operating unit and the reduced-stop unit/the operating unit and the increased-start unit; or, according to the magnitude relation between the motor rotating speed of the reduced-stop/increased-start unit and the preset rotating speed, the motor rotating speed reduction rate of the reduced-stop unit/the motor rotating speed increase rate of the increased-start unit and the anti-surge valve opening/closing rate are controlled. According to the method, by judging the abno |
Author | JIA BO DENG TONGJUN JIANG ANLI HAN CHONG QIU TIANYOU GAN JIE ZHAO TONGYONG ZHANG YUANNING |
Author_xml | – fullname: DENG TONGJUN – fullname: JIANG ANLI – fullname: QIU TIANYOU – fullname: ZHAO TONGYONG – fullname: JIA BO – fullname: ZHANG YUANNING – fullname: HAN CHONG – fullname: GAN JIE |
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DocumentTitleAlternate | 天然气长输管线压缩机增启减停过程保护控制方法及装置 |
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Notes | Application Number: CN202311612307 |
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RelatedCompanies | NATIONAL PETROLEUM PIPELINE NETWORK GROUP CO., LTD STATE GRID GROUP CHUANQI DONGSONG NATURAL GAS PIPELINE CO., LTD |
RelatedCompanies_xml | – name: STATE GRID GROUP CHUANQI DONGSONG NATURAL GAS PIPELINE CO., LTD – name: NATIONAL PETROLEUM PIPELINE NETWORK GROUP CO., LTD |
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Snippet | The invention discloses a natural gas long-distance transportation pipeline compressor start-up and stop-down process protection control method and device, and... |
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SubjectTerms | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PIPE-LINE SYSTEMS PIPE-LINES POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STORING OF DISTRIBUTING GASES OR LIQUIDS WEAPONS |
Title | Protection control method and device for starting and stopping increasing process of natural gas long-distance transportation pipeline compressor |
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