Voices are growing louder and louder,calling for vigorously carryingout the foreign trade agency system in China’s foreign economic andtrade field.Vice Premier Li Lanqing in charge of foreign trade andeconomic cooper...Voices are growing louder and louder,calling for vigorously carryingout the foreign trade agency system in China’s foreign economic andtrade field.Vice Premier Li Lanqing in charge of foreign trade andeconomic cooperation has pointed out many times recently that theoperational mode of foreign trade should be transferred from thetraditional purchase system to service-type agency system.This isimportant to deepening the reform of the foreign trade system.展开更多
为推进电网企业代理购电工作,本文提出了一种基于条件风险价值(Conditonl Value at Risk,CVaR)的电网企业代理购电交易策略风险评价和控制模型。分析了电网企业代理购电业务的开展形式和服务,并以江苏省电力市场为例分析了电力交易的多...为推进电网企业代理购电工作,本文提出了一种基于条件风险价值(Conditonl Value at Risk,CVaR)的电网企业代理购电交易策略风险评价和控制模型。分析了电网企业代理购电业务的开展形式和服务,并以江苏省电力市场为例分析了电力交易的多年(年度)、月度、月内市场的价格波动风险,考虑到电力市场价格波动剧烈和明显的尖峰厚尾特征,建立了代理购电业务交易策略CVaR模型,并利用蒙特卡罗模拟法实现求解最优策略。利用数值算例验证了该模型的有效性,结果表明其可以降低CVaR和在险价值(Value at Risk,VaR)两个风险指标,有效降低了风险。展开更多
文摘Voices are growing louder and louder,calling for vigorously carryingout the foreign trade agency system in China’s foreign economic andtrade field.Vice Premier Li Lanqing in charge of foreign trade andeconomic cooperation has pointed out many times recently that theoperational mode of foreign trade should be transferred from thetraditional purchase system to service-type agency system.This isimportant to deepening the reform of the foreign trade system.
文摘为推进电网企业代理购电工作,本文提出了一种基于条件风险价值(Conditonl Value at Risk,CVaR)的电网企业代理购电交易策略风险评价和控制模型。分析了电网企业代理购电业务的开展形式和服务,并以江苏省电力市场为例分析了电力交易的多年(年度)、月度、月内市场的价格波动风险,考虑到电力市场价格波动剧烈和明显的尖峰厚尾特征,建立了代理购电业务交易策略CVaR模型,并利用蒙特卡罗模拟法实现求解最优策略。利用数值算例验证了该模型的有效性,结果表明其可以降低CVaR和在险价值(Value at Risk,VaR)两个风险指标,有效降低了风险。