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2. Power inverter - Wikipedia

   en.wikipedia.org/wiki/Power_inverter

   Utility frequency conversion - if a user in (say) a 50 Hz country needs a 60 Hz supply to power equipment that is frequency-specific, such as a small motor or some electronics, it is possible to convert the frequency by running an inverter with a 60 Hz output from a DC source such as a 12V power supply running from the 50 Hz mains.

3. Solar inverter - Wikipedia

   en.wikipedia.org/wiki/Solar_inverter

   Internal view of a solar inverter. Note the many large capacitors (blue cylinders), used to buffer the double line frequency ripple arising due to single-phase ac system.. A solar inverter or photovoltaic (PV) inverter is a type of power inverter which converts the variable direct current (DC) output of a photovoltaic solar panel into a utility frequency alternating current (AC) that can be ...

4. Matiari–Lahore transmission line - Wikipedia

   en.wikipedia.org/wiki/Matiari–Lahore...

   The Matiari-Lahore transmission line is an 878 km-long, ±660kV bi-pole high-voltage direct current (HVDC) transmission line running from south to north Pakistan, complete with three repeater stations, two converter stations at Matiari and Lahore, two 40 km electrode lines, and two grounding electrode stations.

5. AC-to-AC converter - Wikipedia

   en.wikipedia.org/wiki/AC-to-AC_converter

   An AC-AC converter with approximately sinusoidal input currents and bidirectional power flow can be realized by coupling a pulse-width modulation (PWM) rectifier and a PWM inverter to the DC-link. The DC-link quantity is then impressed by an energy storage element that is common to both stages, which is a capacitor C for the voltage DC-link or ...

6. Lahore - Wikipedia

   en.wikipedia.org/wiki/Lahore

   The city has always been a centre for publications; 80% of Pakistan's books are published in Lahore, and it remains the foremost centre of literary, educational, and cultural activity in Pakistan. [30] The Lahore Expo Centre is one of the biggest projects in the history of the city and was inaugurated on 22 May 2010. [185]

7. Minar-e-Pakistan - Wikipedia

   en.wikipedia.org/wiki/Minar-e-Pakistan

   On February 21, 1999, Indian PM Atal Bihari Vajpayee became the first Indian leader to visit Minar-e-Pakistan (previous Indian state visits to Pakistan had not included a visit to Lahore). [10] Vajpayee's visit was compared to Nixon's visit to China in terms of significance. [11] Minar-e-Pakistan has served as the location for a number of ...