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Dc Power Supplies converts AC to DC Two Main types 1)Linear : A simple circuit with diodes and capacitors 2)Switched Mode: sampling technique is used to convert AC to DC.
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When is a transformer closet to unity power factor?
When it supplies a resistive load.
What will be the power factor if the load is non linear?
Non-linear loads such as VFD drives and other rectifier power supplies usually cause a leading PF, similar to a capacitively reactive load. Many power supplies nowadays, like IT (computer) power supplies are PF corrected, BUT, when they are not loaded to full capacity they still cause a leading PF. Apparently the correction is only accurate at full load.
What is electrical synchronization in power plants?
When two ac power supplies are to be connected to a common (bus bar) distribution, voltages, frequencies and phase angles of both power plants should be adjusted to equal values (or grid values) and connect.
What are the simple applications of bridge rectifier?
A bridge recifier is a full wave rectifier. It takes each part of the AC waveform, rectifies it and adds them together, giving a smoother output compared to a half wave recifier. They are used in simple power supplies, using a mains transformer, a bridge rectifier and a smoothing capacitor. Further regulation can then be added for stable power supplies.
Why should electrolytic capacitors not to be used in AC circuits?
Electrolytic caps are polorized and are used for filtering and will charge up to a DC value as in power supplies.
What is special about AC power supplies?
AC power supplies are power supplies that use Alternating Current, which means that the current repeatedly changes its direction. AC power supplies are usually mains supplies as they are at a high voltage. Often filtering takes place between the mains supply and the device.
What rating do computer power supplies have?
Computer power supplies usually have a rating of 400 Watts or more. Some more powerful computers have power supplies that have greater ratings.
Who makes A-power computer power supplies?
Hipro power supplies are pretty good. They make all sizes and wattage's.
What supplies power to the distributor on a 1994 Eagle Summit?
the alternator supplies power to the distributer, the battery gives power the the alternator
Where does a laptops power supply come from?
Laptop power supplies generally come from their manufacturer. So HP power supplies would come from Hewlett Packard, and IBM power supplies would come from IBM.
What are two main types of uninterpretable power supplies?
the two main types of uninterpretable power supplies are: universal and uncompliant
Are there any towers that can hold two power supplies?
Most of the Asus Towers can hold two or more power supplies in them.
Where can one purchase HP power supplies?
HP power supplies can be ordered directly from HP. Alternatively, electronics stores such as Radio Shack and Best Buy are likely to have HP or HP-compatible power supplies in stock.
Where is platinum located in power supplies?
No where in the power supply it is in the harddrive.
Who supplies parts for workforce power tools?
power tools
What is cpp and ipp power plant?
A CPP is a captive power plant, a power plant that supplies large amounts of power outside its grid. A IPP is an independent power plant that supplies to only its grid.
What supplies power to a computer?
The "power supply" supplies power to a computer. A computer's power supply is a "switchmode power supply" responsible for converting the AC voltage from the wall into several DC output voltages.
