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Master/slave Relationship In Power Supply Output Cables?


Remote sensing uses two high impedance input terminals to sense the output voltage of the supply. Nos. 4,177,389 issued Dec. 4, 1979, and 4,174,534 issued Nov. 13, 1979. The output across the filter capacitor 333 is brought out to an external connection for independent connection, or for paralleling when operating in a master/slave configuration. The transformer may have multiple windings or taps, in which case the instrument uses switches to select the different voltages.

The power waveform can be gotten by multiplying the current and voltage waveform using the oscilloscope. Join our site today to ask your question. Discussion in 'Hardware' started by Stiltzkin, Sep 16, 2003. The wiring should be short and each leg equal for each supply. https://forums.techguy.org/threads/master-slave-relationship-in-power-supply-output-cables.165333/

Types Of Power Supply In Electronics

See the Output section under Power Supply Specifications. The other end of the -5 V saturable reactor 326 is connected to a -5 V reset line 328, labeled F, and also to diode combination 330. No problem! Since most of the power switched by the forward converter transistors 116-119 usually goes through the +5 V, 60 amp supply, it is necessary for the lower current +12 V, -12

Advertisements do not imply our endorsement of that product or service. A typical value might be 5 to 10 mV over 10 hours under constant load and input voltage. DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now to FIGS. 1A and 1B, where there is shown a block diagram of a single pulse-width-modulator (PWM) power supply 4, which is capable of Bench Power Supply Review You set the power supply's over-voltage protection to 5.5 volts.

The transistor is usually a bipolar or MOSFET type (sometimes as part of a control IC for smaller supplies) and is operated in its linear region (hence the name, "linear" regulation). This in turn, draws current from the +5 V supply through the resistor 222, the LED of opto-isolator 244 (FIG. 3B), and resistor 321 causing the LED of opto-isolator 224 to Some power supplies contain large filtering capacitors which essentially present a short to the rectifier when the supply is first powered on. https://www.transition.com/transition-networks-point-system-online-help/power-supply-moderole-masterslaveshared/ Contacts West Midwest Mid-Atlantic Northeast Southeast South Central National Accounts Federal Government Quote Chat Search for: Your Quotes Create a new quote Products Products Power Supplies Signal Generators Oscilloscopes DC Electronic

The perfect companion to the CompTIA A+ Complete Study Guide, 3rd Edition this book provides you with extra review and reinforcement of key topics you'll see on the exam. How To Use A Dc Power Supply The -5 V supply also has an over voltage protection circuit, similar to those of the +12 V and -12 V supplies, which is comprised of a line 349, via the As the voltage across the capacitor 163 charges up, the PWM 18 is caused to reduce the duty cycle of the forward converter output. For confirmation, you can use a DC load instead, set to the same load characteristics.

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It is usually specified as mV per a given change of the input or as a percentage change over the whole allowed input range. Login Register Techtarget Network News Features Tips More Content Answers Buyer's Guide Essential Guides Opinions Photo Stories Podcasts Quizzes Tutorials Videos Sponsored Communities Networking E-zines SearchNetworking Topic Infrastructure Data Center Administration Types Of Power Supply In Electronics Typical uses is servicing CB radios and automotive stereo equipment. Different Types Of Power Supply The other end of the secondary winding 121 is connected to the other end of the parallel capacitors 206, 208, 210 and 212.

The output of the forward converter 26 is regulated by a main current sensor 28, which is in series with the forward converter 26 output, and provides one of three feedback http://magicnewspaper.com/power-supply/graphic-card-power-to-power-supply-or-connector-on-motherboard.html During a positive portion of the master signal, after this signal reaches the zener voltage of the diode 189 (FIG. 2F), the signal will initially be further delayed by timing resistor Thus, the electronic designer should anticipate growth and provide a flexible architecture allowing for future growth. A similar question can be asked about automobiles. Bench Power Supply Kit

The -12 V output is taken across the filter capacitor 283, in a manner well known in the art. My AccountSearchMapsYouTubePlayNewsGmailDriveCalendarGoogle+TranslatePhotosMoreShoppingWalletFinanceDocsBooksBloggerContactsHangoutsEven more from GoogleSign inHidden fieldsPatentsEach power supply of a number of power supplies equally shares the current load supplied by the respective parallel voltage outputs of the supplies. The common point 165 is connected through a resistor 166 to shunt connecting line 161 (FIG. 2I). Multiply this difference by the current to get the power being dissipated.

Thus, when the photo-transistor of the opto-isolator 224 is illuminated, it will sink current from the compensation input through the diode 154, pulling the voltage at the compensation input of the Types Of Computer Power Supply This is rarely specified and would probably have to be measured. power output of the second switching power supply, and a two-wire cable connecting the PWM control circuit output of one of the switching power supplies to the PWM control circuit overriding

The slave timing input will be forced to low state causing the timer output to a high state, which in turn, through the connection to the RTCT clock input of the

Referring now to FIGS. 2E-2I, the current sensing control portion of the circuitry will be described. The other end of resistor 162 is connected to the upper end of the capacitor 163, while the lower end of the capacitor is connected to the +12 V auxiliary return. The requirement is to have each supply output the same voltage so they share the load equally. Diy Bench Power Supply Typical values are again in the range of 0.1% to 0.01%.

The +12 V output is taken across the filter capacitor 273, in a manner well known in the art. This causes current to flow from the positive lead of the capacitor 333 (FIG. 3K), into the center tap 262, and out of the winding end 261 of the tertiary winding This can be done with an oscilloscope or a wideband AC RMS voltmeter. http://magicnewspaper.com/power-supply/power-supply-makes-clicking-noise-when-i-press-power-button.html The increased voltage is coupled through the resistor 162 and is stored in the capacitor 163.

This causes the LED of opto-isolator 224 to illuminate and controllably influence the PWM 18 in a manner similar to the over voltage protection circuits of the other supplies to reduce The power supply's isolation between input and output or chassis comes from the isolation provided by the supply's transformer. The filter capacitors can also be smaller at these higher frequencies and chokes are more effective. Resistors 104-107 and a transistor 108 are start-up components which are necessary to bring the system up from an OFF condition, but once a steady state operating level voltage across capacitors

How much does the output drift over time? The line 187 is also connected through a diode 196 to the inverting error input of the PWM 18. supplied from commercial power lines at L1 and L2 is passed, to remove transients and to prevent them from negatively affecting either the power supply or the attached electronic system. This email address is already registered.

The top development and ... The sum signal from summing point 60 is connected to the controllable regulator portion of -5 V rectifier and regulator 36. The output of rectifier 8 is connected through negative temperature coefficient thermistors 101 and 102 which protect the high level rectifier from current overload during the initial charging of the capacitors You also agree that your personal information may be transferred and processed in the United States, and that you have read and agree to the Terms of Use and the Privacy