Life cycle energy management technique
Life cycle energy management technique (life cycle energy management しゅほう, LCEM technique) is the technique that association of (Corp.) public building gathered for the purpose of performing the coherent energy management through the life cycle of the building. Generally, I am called L Sem technique.
Table of contents
Definition
Through the life cycle (plan, plan, design, construction, use, repair) of the building, I perform analysis, an evaluation of the energy-saving performance to reduce given greenhouse gas from a building, and energy saving, ministry CO2 is technique to plan making it it. I am assuming the application to the building which the public institutions such as a country or the local government own, but introduction is pushed forward to the private building because I am placed as a Kyoto Protocol accomplishment plan (March, 2008 cabinet decision).
LCEM tool
It is the simulator of the air conditioner which was developed to spend it for LCEM technique. I am delivered free on the homepage of the Ministry of Land, Infrastructure and Transport government office repairs department. Because work using Microsoft Excel; in LCEM tool alone cannot use it. It features it to be able to calculate the same software being usable from the plan stage of the building to operational time, the partial load driving of the air conditioner which really circulates.
Partial load driving
Partial load driving is to drive with the ability that is lower than rating ability. Most machines become more inefficient than time when they drove with rating ability. The ability of the air conditioner has a big rating ability to support uncertain conditions such as sunlight or the fresh air temperature, and what partial load runs is common. Therefore it is necessary to do the saving energy of the air conditioner assuming partial load driving.
Rating ability
Rating ability is ability of the machines under the conditions decided beforehand. The standards such as industrial meetings to make at Japanese Industrial Standards (JIS) and a manufacturer are used for a condition. Values listed in a catalogue are usually these.
The problems that a building life cycle has
As for the life cycle of the building, there are a plan, a plan, a design, construction, use, a stage of the repair. Because a different company is in charge for each stage, coherent energy saving becomes difficult from a plan, a plan stage. For example, the air conditioner is hot, and it has a situation that it is not for energy saving either when a design company assumes air conditioner temperature of the summer 24 degrees Celsius when an operational company does Cool Biz at 28 degrees Celsius because it is part load driving.
Outside link
This article is taken from the Japanese Wikipedia Life cycle energy management technique
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