1、S Drafted Checked ReviewedApprovedACHENGGANG NUCLEARPLANT PHASE I (21000MW)文件編碼 DOC. S Drafted Checked ReviewedApprovedACHENGGANG NUCLEARPLANT PHASE I (21000MW)文件編碼 DOC. SAT System Design Manual Chapter 6.6,6.7 Operating principle and supply failureProject文件類Sub-ItemEngineeringCAA:B:C:國家甲級工咨甲中廣核工程設(shè)C

2、ertificationNO:NationalAgradeengineeringCertificationNO:編ernal CP0905-YK-GN-is the property of CNPDC It must not be used、reproduced、transmitted or disclosed without the prior written permis of CNPDC 本文件之 屬于中廣核工程設(shè)計 。未獲本公司 ，任何人不得擅自使用、 、傳遞或 該文件。SATSystemDesignManualChapter6.6,6.7OperatingprincipleRev s

3、upply版版日狀編Drafted 校Checked 審Reviewed 批Approved 修改說明Modification-ASATSystemDesignManualChapter6.6,6.7OperatingprincipleRev supply版版日狀編Drafted 校Checked 審Reviewed 批Approved 修改說明Modification-ASATSystemDesignManualChapter6.6,6.7OperatingprincipleRev supplyPLANTPHASEISATSystemDesignManualChapter6.6,6.7Ope

4、ratingprincipleRev supplyPLANTPHASEISATSystem Design Manual Chapter 6.6,6.7OperatingprincipleandsupplyCHINAJUN.,SATSystemDesignManualChapter6.6,6.7OperatingprincipleRev supplySATSystemDesignManualChapter6.6,6.7OperatingprincipleRev supply文件修版日章頁修改范圍及依據(jù)ASAT System Design Manual Chapter 6.6,6.7 Operat

5、ing principleSAT System Design Manual Chapter 6.6,6.7 Operating principle and Rev 6.6 OPERATING ER SUPPLY SAT System Design Manual Chapter 6.6,6.7 Operating principle and SAT System Design Manual Chapter 6.6,6.7 Operating principle and Rev 6.6 OPERATING The air re upstream of the slam shut valve kee

6、ps the valve open via a valve. On receipt of a low re signal from the BOP header the air is diverted theactuator and thevalve XSAT301VAisclosedby Startup NoShutdown NoOperationincaseofincidentand/orA reduction of the air supply pre re from the compressed air production system (SAP) below 0.86MPa abs

7、 will be detected by pre re switch SAT201SP and cause valve XSAT301VA to slam shut. This occurs in order to preserve the air supply for the NI under this condition. As the air supply pre re is restored, valve XSAT301VA On occurrence of a low air prere alarm derived from XSAT202SP, the supply of air

8、is reduced or loseach tool poand at all equipmentd from the CI ring main. The service air supply prere from the CI to the BOP is also reduce or lost. To determine the action of equipment in other systems on failure of the service airsupply reference is to be made to the SDM SAT System Design Manual Chapter 6.6,6.7 Operating principleSAT System Design Manual Chapter 6.6,6.7 Operating principle and Rev ER SUPPLY Lack of control Air failure will affect the slamshut valve XSAT301VA, the valve will remain in close L