| 摘要 |
PURPOSE: A consumer energy controlling method and a system of the same based on micro grid reducing energy costs are provided to consider the original cost of energy source and efficiency for choosing cost effective energy source. CONSTITUTION: A micro grid system (22) comprises an energy part (210), a power transition part (200) and an energy storing apparatus (230). The energy part supplies several distributed power or several energy sources. An energy controlling system (100) controls each energy source for minimizing energy costs. The energy controlling system comprises a communicating part (110), an inter-working unit (120), a data part (130) and a controlling part (140). The controlling part performs the operation of the energy controlling system and overall controlling function. [Reference numerals] (110) Communicating part; (120) Inter-working unit; (130) Data unit; (131) Energy information DB; (132) Acception price information DB; (133) Electricity charge DB; (134) Weather/environment information DB; (140) Controlling part; (141) Reference value calculating part; (142) Energy charge analysis part; (143) Energy distribution management part; (144) Load control part; (150) Load group; (210) Energy part; (211) Commercial power part; (212) Co-generator; (213) Fuel cell; (214) Microturbine; (215) Solar energy/wind energy generating part; (216) Ground heat/storage heat supply part; (217) Central heat supply part; (218) Local heat supply part; (220) Power converter; (230) Energy storing apparatus; (AA) Energy supply
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