CAJ | 학술논문

风能和太阳能具有随机性和波动性的特点，由分布式电源、储能装置、负荷组成的微电网协调运行与控制十分复杂，对孤岛运行的微电网合理地配置电源以提高供电可靠性、经济性是微电网规划建设的一个首要问题。将改进的细菌觅食算法（bacterial foraging algorithm，BFA）应用到解决风／光／储混合的全年孤岛运行的微电网电源优化配置问题中，建立了计及设备投资成本、运行和维护成本、燃料成本、环保折算成本的微电网电源优化配置模型，以年风速、气温、光照强度作为输入，根据不同的用户供电可靠性和备选电源要求，得到微电网电源的类型及其容量的最优方案，结果表明改进的细菌觅食算法具有全局最优搜索能力强、寻优速度快的特点。该方法可以全面评估各种分布式电源的经济性，根据微电网建设地点的气象条件、投资成本等降低微电网电源的冗余投资，满足用户定制的多样化可靠性要求。
풍능화태양능구유수궤성화파동성적특점，유분포식전원、저능장치、부하조성적미전망협조운행여공제십분복잡，대고도운행적미전망합리지배치전원이제고공전가고성、경제성시미전망규화건설적일개수요문제。장개진적세균멱식산법（bacterial foraging algorithm，BFA）응용도해결풍／광／저혼합적전년고도운행적미전망전원우화배치문제중，건립료계급설비투자성본、운행화유호성본、연료성본、배보절산성본적미전망전원우화배치모형，이년풍속、기온、광조강도작위수입，근거불동적용호공전가고성화비선전원요구，득도미전망전원적류형급기용량적최우방안，결과표명개진적세균멱식산법구유전국최우수색능력강、심우속도쾌적특점。해방법가이전면평고각충분포식전원적경제성，근거미전망건설지점적기상조건、투자성본등강저미전망전원적용여투자，만족용호정제적다양화가고성요구。
Wind and solar energy have the characteristics of randomness and waviness. As the coordination among distributed generation （DG）, energy storages and loads is very complicated, proper combination of DG in an islanded microgrid is a primary problem for its reliability and economy. This paper used the bacterial foraging algorithm （BFA） to solve the optimal sizing problem of hybrid solar-wind DG in microgrid. The economic model of optimal sizing was built with the objective that takes annual costs of equipment, operation and maintenance, fuels, environment protection into account. The meteorological conditions of wind speed, solar radiation and temperature were input. According to alternatives of DG and power supply reliability, the typeS and optimal sizing of DG were designed. The results show the BFA has a strong global optimal capability and fast speed. This method can comprehensively evaluate the economy efficiency of DG and reduce redundant investment to satisfy customer＇s diversification of reliability requirements according to meteorological conditions.