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Expert urges govt. to ensure that at least transport sector uses renewable energy

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Engineer K.M.YS. Konara

By Rathindra Kuruwita

Sri Lanka needs to establish fast charging stations to promote the use of electric vehicles, Engineer K.M.YS. Konara, senior lecturer at the department of electrical and information engineering at the University of Ruhuna said.

“When we consider long trips, we don’t consider electric vehicles because of problems with charging. If we can have fast charging stations, this becomes a non-issue. If we use slow charging (AC on board charging – level 01 – 120v, 1.4 kW) it will take about 1, 332 minutes to charge an electric vehicle to go 200 kilometres. But it only takes 4.7 minutes if we use ultrafast charging (800V, 400kW),” he said.

Surveys have shown that motorists only like to spend about 15 minutes charging their vehicles, from 20 percent to 80 percent, during long trips, he said. If charging takes longer than that, they prefer not to use their electric vehicle, Konara said.

“Fast charging stations are not recommended to be connected to low voltage grids. They must be connected to medium-voltage grids. The widespread deployment of fast charging stations also adds some stress to the grid. When we establish a large number of fast charging stations, it exerts a lot of stress on the power grid because EV charging is an extra load. This might lead to some issues with network capacity, power system stability and power quality. A DC fast charging station is a power electronic based microgrid, and whenever you have these microgrids, there will be issues like voltage fluctuations, especially drops. Then it’s linked to power grid stability problems and power quality issues. These are well known problems,” he said.

Dr. Konara added that a country needs to reinforce the existing grid to accommodate fast charging stations.

“We need to find the optimal setting and size for fast charging stations to maximize profits, minimize the impact on the power grid and energy market, and provide a quality service to electric vehicle users,” he said.

Commenting on the drive for renewables, he said Sri Lanka can achieve 80 percent of its energy needs from renewable sources.

“This has been achieved in other countries, and if we can’t get our transport sector to run on renewable energy, we are in trouble,” he said.



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‘Vision’ Programme Marks Two Years

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Marking the completion of two years of the ‘Vision’ Programme, students from Pinnawala Central College and Matale Siri Seevali College were given an opportunity on Thursday (24) to visit the Presidential Secretariat.

The ‘Vision’ Programme was launched for schoolchildren jointly by the Presidential Secretariat, the Ministry of Education and the Department of Communication of the Parliament of Sri Lanka.

Following a visit to the former Parliament building at the Presidential Secretariat, the students were also briefed on the history of Parliament.

The role of the President’s Fund and its importance to schoolchildren were explained by Senior Additional Secretary to the President Roshan Gamage.

The ‘Vision’ commemorative book, featuring the two-year journey of the ‘Vision’ Programme and its special activities, was also presented to the participating schools.

As part of the programme, valuable plants were also presented to the schools as a symbolic gesture underscoring the importance of environmental conservation.

Director General of Public Relations Dharmasiri Gamage, the Director and Assistant Director of the Tri-Services Security Coordination Unit, the principals and teaching staff of Pinnawala Central College and Matale Siri Seevali College, and students were among those present on the occasion.

President’s Media Division (PMD)

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Sajith vows to scrap 22A under future govt.

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Sajith at yesterday’s protest

Opposition and SJB Leader Sajith Premadasa yesterday vowed that an SJB government would repeal the 22nd Amendment (22A) to the Constitution.Premadasa made the pledge while addressing thousands of SJB supporters who gathered near Parliament to protest against 22A.

Addressing the rally at Polduwa Junction, Battaramulla, Premadasa said the proposed constitutional amendment would undermine democracy and judicial independence and enable the concentration of political power in the Executive.

“Even if they pass it, under an SJB government we will scrap it,” Premadasa told the gathering, claiming that 22A was aimed at paving the way for a one-party state and placing the State under the control of a single political party.

Braving the rain, Premadasa said they had gathered there peacefully and had no intention of resorting to violence.

“We have gathered here to protect democracy,” he said, challenging the government to hold Provincial Council elections if it was confident of facing the people.

Premadasa said the SJB was prepared to work with any democratic and clean political force committed to the country’s progress and public welfare, amid ongoing discussions on cooperation among Opposition parties, including the United National Party.

Premadasa also accused groups aligned with the government of attempting to discourage people from attending the protest through statements and other measures.

SJB General Secretary Ranjith Madduma Bandara said the protest had been organised against the proposed amendment, which the party had opposed on the grounds that it could pave the way for authoritarianism.

The demonstration began around 9 a.m. at Polduwa Junction and coincided with Parliament taking up the proposed 22nd Amendment for debate. Proceedings on the Bill are scheduled to continue today (25).

The Supreme Court has determined that the proposed amendment does not require approval at a referendum and could be passed with a special majority in Parliament.

Meanwhile, traffic congestion was reported on roads surrounding Parliament and Polduwa Junction following the demonstration.

Security was also tightened in and around the Parliamentary complex, with a heavy police presence observed at Polduwa Junction and near the main entrance to Parliament.

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Two retired female Navy officers remanded over disappearance of two women during war

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Two retired female Navy petty officers were ordered to be remanded until October 5 over their alleged involvement in the abduction and disappearance of two women in Trincomalee during the war.

Trincomalee Chief Magistrate M.S.M. Samsudeen yesterday ordered that the two suspects be remanded and directed that they be produced for an identification parade on October 5.

The suspects, residents of Chilaw and Haputale, were arrested after appearing before the CID in connection with another court case. They were subsequently produced before the Trincomalee Magistrate’s Court.

The court was informed that the investigation concerned the alleged abduction of Sasikumar Thenmoli and Mary Delsia, residents of Paalaiyootru, Trincomalee, on or around May 13, 2008.

The CID told court that information uncovered during its investigations indicated that the two women had allegedly been detained at an underground location known as the “Gun Site” at the Trincomalee Naval Base while the two suspects were serving in the Navy. The women were subsequently reported missing.

Further investigations into the alleged abduction and disappearance of the two women are continuing.

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