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power supply

Bangladesh government forced to increase rental power

Fri, 08/15/2014 - 14:47 -- Laura Varriale
Bangladesh electricity shortage

The Bangladeshi government has increased its dependence on rental power, because India has not supplied enough power to meet the country’s electricity demand.

Bangladesh bought high-cost oil-fired rental and quick-rental power to prevent power shortages.

"Indian authority is supplying electricity less than our grid capacity,” said Bangladesh Power Development Board (BPDB) chairman Abduhu Ruhullah.

India is contracted to provide 500MW of power to Bangladesh, but has only supplied 402MW of electricity during daytime peak hours and 368MW during the evening peak time. But a BPDB statistic shows that since the start of the cross-border transmission in October 2013, India rarely supplied over 450MW and has an average supply of 400MW.

Transmission and system losses cause an electricity loss of 6%. "We can get a maximum of 470MW from India due to bottlenecks to the existing transmission system," said Ruhullah.

Also technical glitches in power plants and overhauling power plants prompted the Bangladeshi government to buy power from the open market. The country generates 6,200MW, but has a demand of 7,500MW.

The contract between India and Bangladesh runs for 25 years. The state-owned BPDB is purchasing the electricity from Indian National Thermal Power Corporation.

Olympic cable car ultracapacitors

Fri, 07/20/2012 - 18:02 -- Ruth Williams

The London 2012 cable car carrying passengers over the Thames cost US$70 million, making it the most expensive built.
The cabins, built by Swiss CWA, will use Maxwell Technologies’ ultracapacitors for the power supply and energy management on board. The cars only charge at the end of the line, so this must be done in seconds.  Two 48V ultracapacitor-modules units mounted on top of each car power the five-minute journey.

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