LM317T Voltage Regulator with Pass Transistor

A list of solar panels and chargers can be found here: astore.amazon.com MPPT vs PWM Solar charger performance / MPPT Operation / How does MPPT work / What is MPPT There is a follow-up to this video that covers some questions raised about the amps. MPPT vs PWM Solar Charger - Follow-up In this video I switch between an MPPT and PWM solar charger to show how much power (Watts) can be "lost". This is due to the voltage being pulled down to the battery voltage by the PWM charger. The MPPT controller uses / tracks the best voltage output the solar panel can provide to ensure maximum power output. In this case I have two 50 watt panels connected in parallel that can be switched between the MPPT and PWM charger. Together they are producing about 3 amps at 19.49 volts; about 58 watts (MPPT controller). When I switch to the PWM controller the voltage drops to the battery voltage being charged, 12.2 volts at 3.3 amps; about 40 watts. A loss of 18 Watts!! That means a 31% gain in power using an MPPT controller. The MPPT still provides the battery with about 12-14 volts required for charging but with more amps. The gains will not always be that big; as the battery charge voltage gets higher, the gains are less. The MPPT will continually track the optimum voltage; as light and temperature change at the solar panel, so will the Maximum Power Point. Here is an excellent link to a DIY project and further MPPT explanation: www.timnolan.com



http://www.youtube.com/watch?v=QpL4RR0_QyM&hl=en

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http://www.youtube.com/watch?v=O9RlbP_O7Ss&hl=en

Our voltage stabilizer is used to increase overall vehicle performance with use of high-tech electronics and capacitors along with ground wires.



http://www.youtube.com/watch?v=hN-2yxM7RqM&hl=en

In this video I am going to show you all how 'GREAT' performance from electricity supplier, SESB (Sabah Electricity Sdn. Bhd) to all rakyat Sabah. For you information, Sabah always meet problem in electricity break down, schedule down, maintenance down, up down.... hari hari down...(0.5 second down pun ada! Nabeh!). Well, even nothing down, we still will meet problem like what I show you in this video , instability electricity. In video is how automated voltage regulator signal showing when instability electricity happenning again (always happen!). Note: Sabah Electricity Sdn. Bhd. is an 80% owned subsidiary of Tenaga Nasional Berhad (TNB) and 20% by the State Government of Sabah. It is a vertically integrated utility providing reliable generation, transmission and distribution services in the state of Sabah and the Federal Territory Labuan. www.sesb.com.my



http://www.youtube.com/watch?v=FWSpuZYoBek&hl=en

Designers of today's systems with battery supplies and common 3.3V and 5V rails are faced with the challenge of powering devices that require higher voltages to operate, such as displays, line drivers, rotating media, RF amplifiers and backlights. For example, some peripheral displays in portable applications use backlighting with 5 leds that need 15V to 20V to power the string, but a typical battery configuration may only provide 4V to 8V. Nationals latest boost and buck-boost regulators give designers the ability to achieve the output voltage necessary for these peripheral devices. In addition, with excellent performance-to-power ratios, the high-efficiency boost and buck-boost regulators fall into Nationals powerwise® family of energy efficient products.



http://www.youtube.com/watch?v=aB3DclCe4Ig&hl=en