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Watch this video to learn how to calculate the power factor of any load for a given source voltage. This lecture is conducted by Prof. L. Umanand, Principal Research Scientist of Power Electronics Group-IISc Bangalore.
Improve motor precision, power efficiency
Continued innovation and integration of MCU architectures enable today's developers to cost-effectively improve motor precision, performance, power efficiency and motor life.
Effective resistance of conductors
This article looks at the effective resistance of conductors in free space and wound structures.
Industrial apps reap benefits from PFC device
This article explains the different power types that an electricity meter measures, power factor and power factors' implications on power measurement.
Measuring multi-core performance, power efficiency
Power management has often used the speed/power ratio metric (Mhz per Watt) as a measure of performance/power efficiency.
Attaining energy efficiency with motors
By dedicating ourselves to maximising energy efficiency, we can significantly cut the costs of operating the standard electric appliances we all use.
Understanding USB port charging (Part 2)
With consumer demands for fewer cords to power and connect their devices, many current handheld devices are required to charge from USB sources and AC-wall adapters.
Elusive 2020 target for solar power
V. Nanda shares: "The Indian government just announced that they have achieved about 2.33GW of grid-interactive renewable energy during 2009-10.That target of 20GW solar power by 2020 is looking increasingly elusive at this pace..."
Ram Anant explains: "Enhanced PF can be achieved in many ways. Larger low frequency input inductor may give you the PF of 0.85-0.9..."
Qualcomm connects ECOtality charging stationsQualcomm will implement cellular tech into ECOTality's charging stations.
71M6511/71M6511H, 71M6513/71M6513H power meter IC family
This application note describes the different software layers and how to use them.
- NiMH/NiCd switch-mode battery charger has dV/dt charge termination
- Negative step-down converter requires no inductor
- Miniature circuit converts negative inputs to positive outputs
- 71M6533/71M6533H demo board quick start guide
- 71M6531 demo board quick start guide
- Derive simple high-current source from lab supply
- 71M6515H demo board quick start guide
- 71M6521D/71M6521F/71M6521B energy meter IC family software user's guide
- 71M6511/71M6511H 2-Layer demo board quick start guide
- Designing DC/DC converters based on ZETA topology
- Current sensing circuit concepts, fundamentals
Nanofibre-based separator enhances Li-ion performance
DuPont offers the Energain battery separator, a nanofibre-based polymeric battery separator that targets performance enhancement and safety of Li-ion batteries.
- Hot-swap controller packs 10bit ADC, I2C interface
- Automotive power MOSFETs offer low RDS(on)
- AC-DC power supply enables 92% conversion efficiency
- Power meter suits EMC immunity testing apps
- DC/DC switching regulators ease design complexity
- Low-volt boost converters flaunt ultra-thin package
- Isolated gate drivers offer IGBT protection
- Power supply ref designs up operating load efficiency
- SOT-23 MOSFETs minimise RDS(on) to improve current handling
- 1.5A step-down converter offers 1.4MHz switching frequency
- Micro-inverters offer remote system monitoring
Here are Power Design India's most viewed tech articles.
- Studying insulin pump designs, power requirements
- Measuring multi-core performance, power efficiency
- Introducing power debugging
- Introducing new-gen hot-swapping solutions (Part 1)
- Attaining energy efficiency with motors
- Implementing discontinuous PWM in TinyDIP/SMD SPM
- Simplifying design of intrinsic safety barrier
- Improving transient load, line response (Part 2)
- Transforming power-grid plans into reality
- Comparing the different common resistor types
Here are Power Design India's most viewed app notes.
- Digital Peak Current Mode Control with Slope Compensation using the TMS320F2803x
- Power-supply design for high-speed ADCs
- MSP430 Microcontroller Software for Handheld Fuel Gauges and Battery Authentication Products
- A Single-Phase Energy Meter with Capacitive Power Supply and Shunts
- 1.8-V - 5.5-V Input, 3.3-V Output, High Efficiency DC/DC
- MC13783 Buck and Boost Inductor Sizing
- Quick-Start Guide for bq78PL114 With bq76PL102 Family Gas Gauges
- LDO PSRR Measurement Simplified
- Design Consideration for Boundary Conduction Mode Power Factor Correction (PFC) Using FAN7930
- Creating a Split-Rail Power Supply With a Wide Input Voltage Buck Regulator
Learn how PowerTheater utilises Common Power Format to help users develop power-efficient designs.
Will the Gulf oil spill con-
taminate India's energy future?
The impact of the Gulf oil spill on prices and availability is likely to be modest. However, if India is to become an economic and tech leader, it needs to pay attention to these shifts.
Here's a compilation of worldwide energy consumption and its impact on our environment.
ISA identifies oppor-
tunities for India
In an interview with EE Times India, ISA talks about the challenges ahead and urges government initiatives to turn them into business opportunities
Is 'More than Moore' still valid in electronics industry?
According to Rajeev Mehtani of Cypress Semiconductor, the combination of programmable analogue and digital blocks will help the semiconductor industry move over to 'More than Moore' much faster.
