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发明公开
CN103294102A 一种基于温度检测的太阳能CVT控制方法 无效 - 撤回

一种基于温度检测的太阳能CVT控制方法
摘要：
本发明公开了一种基于温度检测的太阳能CVT控制方法，包括光伏电池阵列、DC/DC变换器、光伏电压检测电路、PI调节器、PWM控制器、隔离驱动电路、温度传感器、运算电路，所述光伏电池阵列与DC/DC变换器连接，所述光伏电池阵列与DC/DC变换器之间还依次连接有温度传感器、运算电路、PI调节器、PWM控制器、隔离驱动电路，所述光伏电压检测电路并联于光伏电池阵列与DC/DC变换器之间，所述光伏电压检测电路与PI调节器连接，采用温度传感器检测光伏电池温度，并根据所检测温度按照实际测得的光伏电池最大功率点电压-温度特性实时调整最大功率点电压给定值，结构简单、成本低廉、实用性强。
摘要（英）：

The invention discloses a solar CVT (Constant-Voltage Transformer) control method based on temperature detection, which comprises a photovoltaic cell array, a DC/DC (Direct Current/Direct Current) converter, a photovoltaic voltage detection circuit, a PI (Proportional-Integral) adjuster, a PWM (Pulse-Width Modulation) controller, an isolation driving circuit, a temperature sensor and an arithmetic circuit are provided, wherein the photovoltaic cell array is connected with the DC/DC converter; the temperature sensor, the arithmetic circuit, the PI adjuster, the PWM controller and the isolation driving circuit are connected between the photovoltaic cell array and the DC/DC converter sequentially; and the photovoltaic voltage detection circuit is connected in parallel between the photovoltaic cell array and the DC/DC converter, and connected with the PI adjuster. A temperature of a photovoltaic cell is detected by the temperature sensor; a set voltage value of a maximum power point is adjusted in real time according to the detected temperature and the voltage-temperature characteristic of the measured maximum power point of the photovoltaic cell; and the method is simple in structure, low in cost and high in practicability.

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