Earth observation satellite HysIS, 30 co-passenger satellites placed in orbit
Sriharikota (AP), Nov 29: ISRO's workhorse rocket PSLV-C43 Thursday successfully injected into orbit India's earth observation satellite HysIS along with 30 co-passenger satellites from eight countries.
The rocket lifted off majestically into cloudy skies in a burst of orange flames at 9.57 am from the first launch pad at this spaceport at the end of a 28-hour countdown.
The HysIS was placed into orbit 17 minutes and 27 seconds after lift-off.
ISRO chief K Sivan and the space agency's scientists broke into cheers as the earth observation satellite was injected into sun-synchronous polar orbit.
During the launch however, scientists had to restart the fourth stage engine twice for placing the 30 co-passenger satellites. According to an official, the fourth stage engine was cut off after the earth observation satellite was separated at an altitude of 636.3 km.
Scientists also had to reduce the altitude from 636 km to around 504 km to place the 30 satellites in the sun-synchronous polar orbit one by one.
The mission was one of the longest mission for ISRO.
A similar operation was undertaken when scientists injected eight different satellites including the country's weather satellite SCATSAT-1 and five from other nations in two different orbits on September 25, 2016.
The primary mission of the Hyperspectral Imaging Satellite (HysIS), whose life is five years, is to study the earth's surface in visible, near infrared and shortwave infrared regions of the electromagnetic spectrum.
It is the primary satellite of the PSLV-C43 mission, which is on its 45th flight.
The mass of the spacecraft is about 380 kg, and the satellite would be placed in 636 km-polar sun synchronous orbit with an inclination of 97.957 degrees, ISRO said.
The co-passenger satellites have been contracted for launch through ISRO's commercial arm Antrix Corporation Limited.
PSLV-C43, is the 'Core Alone' version of PSLV. It is the lightest version of the launch vehicle.
This is ISRO's second launch in the month.
The space agency had launched its communication satellite GSAT-29 on board GSLV MkIII-D2 on November 14.
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No unannounced load shedding in Kerala, outages due to overload, says Minister
Palakkad (PTI): Kerala Electricity Minister K Krishnankutty on Saturday said there was no unannounced load shedding in the state, attributing recent power interruptions to temporary overload caused by high consumption.
Clarifying concerns raised from various parts of the state, the minister said the disruptions are not deliberate but occur when demand peaks, particularly between 10 pm and 11 pm.
"It is not being done intentionally. Power consumption has risen sharply, and when there is excessive and indiscriminate usage, the system experiences overload, leading to natural supply interruptions," he told reporters here.
His remarks come amid complaints that several areas have been witnessing frequent power cuts, often lasting around 15 minutes and occurring multiple times during the night.
Krishnankutty said the state's power demand has crossed 6,195 MW, putting pressure on the supply system. He added that around 70 per cent of Kerala's electricity is procured from outside, and existing power banking arrangements have been exhausted.
"We have approached the Regulatory Commission seeking permission to purchase more power. However, this will come at a higher cost," he said.
The minister said the government is trying to avoid increasing electricity tariffs and urged consumers to exercise restraint in usage to help manage the situation.
Responding to opposition criticism over the ruling LDF's earlier claims of a decade without power cuts, he said the current situation is not unique to Kerala.
A power crisis is emerging across the country, he said, and sarcastically asked the Opposition to take note of the role of natural factors in this.
Krishnankutty expressed confidence that the situation would improve within two days, while cautioning that long-term energy security would depend on enhancing in-state power generation.
He also warned that future generations could face serious challenges if adequate electricity production capacity is not developed within Kerala.
