A wind turbine for wind power generation accommodated a heat-generating device therein is always properly cooled by accurately detecting clogging of a filter. A wind turbine accommodates a heat-generating device and includes a column disposed in an upright position on a foundation, a nacelle dispose
A wind turbine for wind power generation accommodated a heat-generating device therein is always properly cooled by accurately detecting clogging of a filter. A wind turbine accommodates a heat-generating device and includes a column disposed in an upright position on a foundation, a nacelle disposed on a top end of the column, and a rotor head supported by the nacelle so as to be rotatable about a substantially horizontal axis, and the wind turbine includes an intake which is provided in an outer surface of the wind turbine and through which outside air is taken into the wind turbine to cool the heat-generating device; an exhaust which is provided in the outer surface of the wind turbine and through which air inside the wind turbine is discharged outside the wind turbine; an impurity-removing mechanism disposed in a flow path of air from the intake to the exhaust to remove impurities contained in the outside air; and a control unit for determining the condition of the impurity-removing mechanism by comparing, as a parameter serving as a criterion for determining the condition of the impurity-removing mechanism, latest data obtained while a wind speed outside the wind turbine is substantially stable with reference value data input in advance and serving as a reference.
대표청구항▼
1. A wind turbine for wind power generation accommodating a heat-generating device and comprising a column disposed in an upright position on a foundation, a nacelle disposed on a top end of the column, and a rotor head supported by the nacelle so as to be rotatable about a substantially horizontal
1. A wind turbine for wind power generation accommodating a heat-generating device and comprising a column disposed in an upright position on a foundation, a nacelle disposed on a top end of the column, and a rotor head supported by the nacelle so as to be rotatable about a substantially horizontal axis, the wind turbine comprising: an intake which is provided in an outer surface of the wind turbine and through which outside air is taken into the wind turbine to cool the heat-generating device;an exhaust which is provided in the outer surface of the wind turbine and through which air inside the wind turbine is discharged outside the wind turbine;an impurity-removing mechanism disposed in a flow path of air from the intake to the exhaust to remove impurities contained in the outside air; anda control unit for determining the condition of the impurity-removing mechanism by comparing, as a parameter serving as a criterion for determining the condition of the impurity-removing mechanism, latest data obtained while a wind speed outside the wind turbine is substantially stable with reference value data input in advance. 2. The wind turbine for wind power generation according to claim 1, wherein the impurity-removing mechanism is a filter and, as the condition thereof, it is determined whether the filter is clogged with accumulated impurities. 3. The wind turbine for wind power generation according to claim 2, further comprising a fan disposed in a path from the filter to the exhaust to forcedly facilitate the intake of the outside air. 4. The wind turbine for wind power generation according to claim 3, wherein the reference value data used is a period of time set as an operating time expected to be required until the interior temperature of the wind turbine is decreased by a predetermined temperature from an interior temperature of the wind turbine immediately before the fan is continuously operated by continuously operating the fan if the filter is clogged or is almost clogged; andthe latest data used is an actual operating time required until the interior temperature of the wind turbine is decreased by the predetermined temperature from the interior temperature of the wind turbine immediately before the fan is continuously operated by continuously operating the fan. 5. The wind turbine for wind power generation according to claim 3, wherein the reference value data used is a temperature change expected to be obtained after the fan is continuously operated for a predetermined period of time if the filter is clogged or is almost clogged, the temperature change being set as a difference between an interior temperature of the wind turbine immediately before the fan is continuously operated for the predetermined period of time and an interior temperature of the wind turbine immediately after the fan is continuously operated for the predetermined period of time; andthe latest data used is an actual temperature change obtained as an actual difference between the interior temperature of the wind turbine immediately before the fan is continuously operated for the predetermined period of time and the interior temperature of the wind turbine immediately after the fan is continuously operated for the predetermined period of time. 6. The wind turbine for wind power generation according to claim 3, further comprising an anemometer disposed near a downstream side of the filter or in the flow path of air in the wind turbine, wherein the reference value data used is a wind speed set as a wind speed expected to be measured if the filter is clogged or is almost clogged; andthe latest data used is an actual wind speed obtained with the anemometer by continuously operating the fan. 7. The wind turbine for wind power generation according to claim 3, further comprising a differential pressure gauge for measuring a difference between a pressure near an upstream side of the filter and a pressure near a downstream side of the filter or a differential pressure gauge for measuring a difference between a pressure on an upstream side of the flow path of air in the wind turbine and a pressure on a downstream side of the flow path of air in the wind turbine, wherein the reference value data used is a pressure difference set as a pressure difference expected to be measured if the filter is clogged or is almost clogged; andthe latest data used is an actual pressure difference obtained with the differential pressure gauge by continuously operating the fan. 8. The wind turbine for wind power generation according to claim 1, wherein the wind turbine is set so as to obtain the latest data at a wind speed below a cut-in wind speed. 9. The wind turbine for wind power generation according to claim 1, wherein the wind turbine is set so as to obtain the latest data at nighttime, when there is no effect of sunlight, and/or at a time of day when the atmospheric temperature varies little and is stable. 10. A wind turbine for wind power generation accommodating a heat-generating device and comprising a column disposed in an upright position on a foundation, a nacelle disposed on a top end of the column, and a rotor head supported by the nacelle so as to be rotatable about a substantially horizontal axis, the wind turbine comprising: an intake which is provided in an outer surface of the wind turbine and through which outside air is taken into the wind turbine to cool the heat-generating device;an exhaust which is provided in the outer surface of the wind turbine and through which air inside the wind turbine is discharged outside the wind turbine;an impurity-removing mechanism disposed in a flow path of air from the intake to the exhaust to remove impurities contained in the outside air;a fan disposed in a path from the impurity-removing mechanism to the exhaust to facilitate the intake of the outside air; anda control unit for determining that the impurity-removing mechanism is clogged or is almost clogged if the duty ratio of the fan exceeds a threshold set in advance.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (9)
Nies, Jacob Johannes; Haans, Wouter, Active flow control system for wind turbine.
Chu, Richard C.; Ellsworth, Jr., Michael J.; Furey, Edward; Schmidt, Roger R.; Simons, Robert E., Method and apparatus for combined air and liquid cooling of stacked electronics components.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.