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PT Perusahaan Listrik Negara (Persero) (lit. ' State Electricity Company ' , abbreviated as PLN ) is an Indonesian government-owned corporation which has a monopoly on electric power distribution in Indonesia and generates the majority of the country's electrical power, producing 176.4 TWh in 2015.
Clean air delivery rate (CADR) is the amount of clean air an air cleaner provides to a room or space. When determining CADR, the amount of airflow in a space is taken into account. For example, an air cleaner with a flow rate of 30 cubic metres (1,000 cu ft) per minute and an efficiency of 50% has a CADR of 15 cubic metres (500 cu ft) per minute.
The release of PP No. 93 of 1999, Perum Jasa Tirta was changed to Perum Jasa Tirta I (PJT I). The management area has also increased to 25 rivers in the Bengawan Solo watershed region, through Presidential Decree No. 129 in 2000. To accommodate growing business activities as the company grows, improvements are made by changing Government ...
Air changes per hour, abbreviated ACPH or ACH, or air change rate is the number of times that the total air volume in a room or space is completely removed and replaced in an hour. If the air in the space is either uniform or perfectly mixed, air changes per hour is a measure of how many times the air within a defined space is replaced each hour.
A power inverter, inverter, or invertor is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). [1] The resulting AC frequency obtained depends on the particular device employed.