1.5.2 Full Supply Level( FSL)According to the hydropower development p translation - 1.5.2 Full Supply Level( FSL)According to the hydropower development p Lao how to say

1.5.2 Full Supply Level( FSL)Accord

1.5.2 Full Supply Level( FSL)
According to the hydropower development planning of Xeset Basin, the development means of Houay Por HPP is headrace type. In order to guarantee normal in taking and stable operation of the HPP, it is to recommend in taking with gate dam, which is to divert water via a 2.6m trapezoidal channel to earth-rock dam reservoir area. It is to intake water from to L/B intake of earth-rock dam, them divert water to the ground forebay via a 1.7km trapezoidal open channel, and divert water via open pipe to the ground powerhouse for power generation. The FSL U/S of dam is El. 320/00m/ According to reconnaissance, it does not have the topographic and geologic conditions for arranging a regulationg reservoir.
1.5.3 Installed Capacity
Houay Por HPP is to be conducted hearace-type development. According to the comprehensive utilization requirements for development of the said river reach, considering the power supply range of Houay Por HPP in the power gird and its functions it is to work out three schemes for 12MW, 15MW and 18MW, and conduct comparisons from the perspective of installed capacity power generation, benefits and annual utilization hours.
Under the same rated head, with the increase of installed capacity, the annual utilization hours will decrease. Therefore, it is beneficial to duty increase generation head and installed capacity considerin from the perspective of annual utilization hours as 4,000h, it is to select installed capacity of Houay Por HPP as 15MW.
1.5.4 Rated Head, Model and Number of Units
The head range of Houay Por HPP is 60-67m. According to such characteristics as the range of operating head changes and small working discharge, it is to select Francis turbine units.
1.5.4.1 Selection of rated Head of Turbine Through calculation the maximum head of Houay Por HPP is 67m the minimum head is 60m the entire year weighted average head is 62.6m and the weighted average head during the flood season is 61.3m. the head changes of the HPP are mainly caused by head loss of headrace system of the HPP, when the HPP to generating power at full capacity, its head is close to the minimum head in order to guarantee that the HPP can stably operate during the flood season and reduce hindrance time of turbine, it is to preliminarily select the rated head of the HPP close to the minimum head of the HPP as 61m



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1.5.2 ເຕັມ​ສະ​ຫນອງ​ລະ​ດັບ (FSL​)
ອີງ​ຕາມ​ການ​ວາງ​ແຜນ​ການ​ພັດ​ທະ​ນາ​ໄຟ​ຟ້າ​ນໍ້າ​ຕົກ​ຂອງ Xeset ລຸ່ມ​ນ​້​ໍາ​, ການ​ພັດ​ທະ​ນາ​ຫມາຍ​ຄວາມ​ວ່າ​ຂອງ​ຫ້ວຍ Por HPP ແມ່ນ​ປະ​ເພດ headrace​. ໃນ​ຄໍາ​ສັ່ງ​ເພື່ອ​ຮັບ​ປະ​ກັນ​ການ​ປົກ​ກະ​ຕິ​ໃນ​ການ​ກິນ​ແລະ​ການ​ດໍາ​ເນີນ​ງານ​ຄວາມ​ຫມັ້ນ​ຄົງ​ຂອງ HPP ໄດ້​, ມັນ​ເປັນ​ທີ່​ຈະ​ແນະ​ນໍາ​ໃນ​ການ​ສ້າງ​ເຂື່ອນ​ໄຟ​ຟ້າ​ທີ່​ມີ​ປະ​ຕູ​ຮົ້ວ​, ເຊິ່ງ​ແມ່ນ​ການ​ຫັນ​ເອົາ​ນ​້​ໍ​າ​ໂດຍ​ຜ່ານ​ຊ່ອງ​ທາງ trapezoidal 2.6m ກັບ​ແຜ່ນ​ດິນ​ໂລກ Rock​, ເຂດ​ພື້ນ​ທີ່​ອ່າງ​ເກັບ​ນໍ້າ​. ມັນ​ເປັນ​ທີ່​ຈະ​ນ​້​ໍ​າ​ໄດ້​ຮັບ​ຈາກ​ການ​ໄດ້​ຮັບ / B L ໂຄງ​ການ​ເຂື່ອນ​ໄຟ​ແຜ່ນ​ດິນ​ກ້ອນ​ຫີນ​, ໃຫ້​ເຂົາ​ເຈົ້າ​ຫັນ​ເອົາ​ນ​້​ໍ​າ forebay ດິນ​ໂດຍ​ຜ່ານ​ການ 17 ກົມ trapezoidal ຊ່ອງ​ທາງ​ເປີດ​ເຜີຍ​, ແລະ​ການ​ຫັນ​ເອົາ​ນ​້​ໍ​າ​ຜ່ານ​ທໍ່​ເປີດ​ໃຫ້​ໂຮງ​ງານ​ໄຟ​ຟ້າ​ທີ່​ດິນ​ສໍາ​ລັບ​ການ​ຜະ​ລິດ​ພະ​ລັງ​ງານ​. ການ FSL U / S ຂອງ​ເຂື່ອນ​ແມ່ນ El​. 320 / 00m / ອີງ​ຕາມ​ການ​ລາດ​ຕະ​ເວນ​, ມັນ​ບໍ່​ໄດ້​ມີ​ເງື່ອນ​ໄຂ​ພູ​ມີ​ປະ​ເທດ​ແລະ​ແຮ່​ທີ່​ສໍາ​ລັບ​ການ​ຈັດ​ການ​ອ່າງ​ເກັບ regulationg​.
1.5.3 ຄວາມ​ສາ​ມາດ​ຕິດ​ຕັ້ງ
ຫ້ວຍ Por HPP ແມ່ນ​ໄດ້​ຮັບ​ການ​ດໍາ​ເນີນ​ການ​ພັດ​ທະ​ນາ hearace ປະ​ເພດ​. ອີງ​ຕາມ​ຄວາມ​ຕ້ອງ​ການ​ທີ່​ສົມ​ບູນ​ແບບ​ການ​ນໍາ​ໃຊ້​ສໍາ​ລັບ​ການ​ພັດ​ທະ​ນາ​ຂອງ​ສາ​ມາດ​ບັນ​ລຸ​ນ​້​ໍ​າ​ໄດ້​ກ່າວ​ວ່າ​, ພິ​ຈາ​ລະ​ນາ​ໃນ​ລະ​ດັບ​ການ​ສະ​ຫນອງ​ພະ​ລັງ​ງານ​ຂອງ​ຫ້ວຍ Por HPP ໃນ gird ພະ​ລັງ​ງານ​ແລະ​ຫນ້າ​ທີ່​ຂອງ​ຕົນ​ມັນ​ແມ່ນ​ການ​ເຮັດ​ວຽກ​ອອກ​ສາມ​ໂຄງ​ການ​ສໍາ​ລັບ​ການ 12MW​, 15mW ແລະ 18MW​, ແລະ​ດໍາ​ເນີນ​ການ​ປຽບ​ທຽບ​ຈາກ​ທັດ​ສະ​ນະ ຂອງ​ການ​ຜະ​ລິດ​ພະ​ລັງ​ງານ​ຄວາມ​ສາ​ມາດ​ໃນ​ການ​ຕິດ​ຕັ້ງ​, ຜົນ​ປະ​ໂຫຍດ​ແລະ​ການ​ນໍາ​ໃຊ້​ຊົ່ວ​ໂມງ​ຈໍາ​ປີ​.
ພາຍ​ໃຕ້​ຫົວ​ຈັດ​ອັນ​ດັບ​ດຽວ​ກັນ​, ມີ​ການ​ເພີ່ມ​ຂຶ້ນ​ຂອງ​ຄວາມ​ສາ​ມາດ​ໃນ​ການ​ຕິດ​ຕັ້ງ​, ໃນ​ຊົ່ວ​ໂມງ​ການ​ນໍາ​ໃຊ້​ປະ​ຈໍາ​ປີ​ຈະ​ຫຼຸດ​ລົງ​. ເພາະ​ສະ​ນັ້ນ​, ມັນ​ເປັນ​ປະ​ໂຫຍດ​ກັບ​ຫົວ​ຫນ້າ​ການ​ຜະ​ລິດ​ເພີ່ມ​ຂຶ້ນ​ຍົກ​ເວັ້ນ​ພາ​ສີ​ແລະ​ການ​ຕິດ​ຕັ້ງ​ຄວາມ​ອາດ​ສາ​ມາດ considerin ຈາກ​ທັດ​ສະ​ນະ​ຂອງ​ການ​ນໍາ​ໃຊ້​ຊົ່ວ​ໂມງ​ຈໍາ​ປີ​ເປັນ 4,000h ໄດ້​, ມັນ​ເປັນ​ທີ່​ຈະ​ເລືອກ​ເອົາ​ຄວາມ​ອາດ​ສາ​ມາດ​ຕິດ​ຕັ້ງ​ຂອງ​ບ້ານ​ຫ້ວຍ Por HPP ເປັນ 15mW​.
154 ຫົວ​, ຮູບ​ແບບ​ແລະ​ຈໍາ​ນວນ​ຂອງ​ຫນ່ວຍ​ງານ​ຈັດ​ອັນ​ດັບ
ການ ລະ​ດັບ​ຫົວ​ຫນ້າ​ຂອງ​ຫ້ວຍ Por HPP ເປັນ 60-67m​. ຕາມ​ລັກ​ສະ​ນະ​ດັ່ງ​ກ່າວ​ເປັນ​ຊ່ວງ​ຂອງ​ການ​ປ່ຽນ​ແປງ​ຫົວ​ປະ​ຕິ​ບັດ​ການ​ແລະ​ການ​ລົງ​ຂາວ​ທີ່​ເຮັດ​ວຽກ​ຂະ​ຫນາດ​ນ້ອຍ​, ມັນ​ແມ່ນ​ການ​ເລືອກ​ເອົາ​ຫົວ​ຫນ່ວຍ turbine Francis​.
1.5.4.1 ການ​ຄັດ​ເລືອກ​ຂອງ​ຫົວ​ຫນ້າ​ການ​ຈັດ​ອັນ​ດັບ​ຂອງ Turbine ຜ່ານ​ການ​ຄິດ​ໄລ່​ຫົວ​ສູງ​ສຸດ​ຂອງ​ຫ້ວຍ Por HPP ແມ່ນ 67m ຫົວ​ຫນ້າ​ຕໍາ​່​ສຸດ​ທີ່​ຖືກ 60m ໄດ້ ປີ​ທັງ​ຫມົດ​ຫົວ​ສະ​ເລ່ຍ​ນ​້​ໍາ​ຫນັກ​ແມ່ນ 62.6m ແລະ​ຫົວ​ຫນ້າ​ສະ​ເລ່ຍ​ນ​້​ໍາ​ຫນັກ​ໃນ​ໄລ​ຍະ​ນ​້​ໍາ​ຖ້ວມ​ແມ່ນ 61.3m​. ການ​ປ່ຽນ​ແປງ​ທາງ​ສັນ​ຫົວ​ຂອງ HPP ແມ່ນ​ເກີດ​ມາ​ຈາກ​ສ່ວນ​ໃຫຍ່​ແມ່ນ​ການ​ສູນ​ເສຍ​ເສັ້ນ​ທາງ​ສັນ​ຫົວ​ຂອງ​ລະ​ບົບ headrace ຂອງ HPP​, ໃນ​ເວ​ລາ HPP ການ​ຜະ​ລິດ​ພະ​ລັງ​ງານ​ທີ່​ສາ​ມາດ​ຢ່າງ​ເຕັມ​ທີ່​, ເສັ້ນ​ທາງ​ສັນ​ຫົວ​ຂອງ​ຕົນ​ຢູ່​ໃກ້​ກັບ​ເສັ້ນ​ທາງ​ສັນ​ຫົວ​ຕໍາ​່​ສຸດ​ທີ່​ໃນ​ການ​ຮັບ​ປະ​ກັນ​ວ່າ HPP ໄດ້​ຢຸດ​ຢັ້ງ​ສາ​ມາດ​ປະ​ຕິ​ບັດ​ງານ​ໃນ​ໄລ​ຍະ​ນ​້​ໍາ​ຖ້ວມ ລະ​ດູ​ການ​ແລະ​ຫຼຸດ​ຜ່ອນ​ການ​ໃຊ້​ເວ​ລາ hindrance ຂອງ​ກັງ​ຫັນ​, ມັນ​ເປັນ​ການ preliminarily ເລືອກ​ເອົາ​ຫົວ​ຈັດ​ອັນ​ດັບ​ຂອງ HPP ໄດ້​ໃກ້​ຊິດ​ກັບ​ຫົວ​ຫນ້າ​ຕໍາ​່​ສຸດ​ທີ່​ຂອງ HPP ເປັນ 61m



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