March 2021 0. 90 W. Triple output, large display compact design - view all channels simultaneously. Answer: A variable DC (direct current) supply provides variable output voltages. for now For many, power supplies are unfortunately still not considered an important component, but this attitude is definitively a mistake. 7. Conclusion 1) DC Power Supplies - EENG275 Experiment#7:DCPowerSupplies. A direct electric current flows only when the electric circuit is closed, but it stops completely when the circuit is open. October 2019. To study various waveforms on the DSO, the 3MHz Function Generator (TG300 Series) was connected to CH1 of DSO (Tektronix) using BNC leads. 1. EDU36311A. Gently increase voltage to 5V. One prototyping board 8. Finally, the author of the report will carry out a detailed analysis and comparison of the various rectification algorithms used. Power Supply: +10v and -10v . ECE 202 - Experiment 3 - Lab Report Voltage Source Select the 6V mode on the DC power supply, and set the voltage to 5V. With a DC power supply, the sum of the voltages across the inductor V L, the resistor, V R, and the capacitor, V C in Figure 10.1 would equal the output of the power supply, V Out. DC power supply and a quality DMM capable of reading DC voltage, current and resistance. Capacitors are two conducting plates separated by an insulating material. 51117211069 L04-T01 DISCUSSION This Lab Practical 2 on design linear DC power supply is to identify 4 main components and the signal waveform as the result of the circuit. To observe the wave form of a half wave and full wave rectified alternating current. It has following components. Complete Figure 10 and Table 3. in Lab Power Supplies. One DVM with test leads Procedure Design a circuit with a 2N3904 NPN transistor that has Ic = 10 mA and Vce = 10 V. The allowable tolerance of this circuit is 10%. Dc Power Supply Report Free Essay Example Essay Sample: Overview The goal of this experiment was to construct a power supply that would convert a 120-volt 60 Hz input ,such as that received from a wall socket, StudyMoose App 24/7 writing help on your phone Add To install StudyMoose Apptap and then "Add to Home Screen" +1 (855) 626 2755 Free essays . E36300 Series. The DC-DC Boost Converter - Power Supply Design Tutorial Section 5-1. 22 AWG wire, cut to length and stripped on both ends 9. The leftmost voltage source produces +5 volts. Data Lab Forecast calculated the market size for the AC-DC Power Supply market using a bottom-up approach, wherein manufacturers value data for different type (5W, 5-10W, 11W-50W, 51W-100W, 100W-250W), of AC-DC Power Supply market was recorded as well as forecast for the future years was made. After opening the DC power supply, we modify the values of the voltage and current as follows respectively (12V and 0. Other related documents. A variable DC power supply, seen in every electronics lab, on the market today costs around $300. 2-4. Variable Dc Power Supply Project Report. Unlike AC, DC cannot be changed from one voltage level to another (step up or step down) using a transformer. Lab reports are . Features. . EGC221: Digital Logic Lab - Lab Report Experiment # 2 Division of Engineering Programs Page 6 of 12 (c) Verify the operation of a single OR gate using a Digital I/O Module, DC Power Supply, Breadboard, 7432 OR IC, and Wires. The period of the sine wave was determined using equation 1 in . Now according to Ohm's law, The voltage drop across resistor R 1, V 1 = IR 1. Step 4: The Selection of smoothing capacitor and calculations. That is V L +V R +V C =V Out (10.1) When the voltages are changing in time, we still expect that the sum of the voltage drops across the three componentsV L +V R +V Rectifier Thyristor Controlled, Inverter IGBT Controlled. By looking to the JA comparison values heat sink is . If out put of dc power supply remains unaltered under the variation of load current or input ac then it is called as regulated power supply. Power from the regular building supply is used for instruments and low-power experiments. Recall that DC is an acronym for direct current. there are many applications of power electronics such as transformer, AC to DC converter or rectifier and voltage . In the power generation of most electronic and electrical circuit, DC power supply is necessary. This linear power supply has three outputs: tw. The room includes an interconnect set for experiments that involve multiple benches. . The circuit under observation is built using a given DC power supply, digital multi-meter, electrical wires, breadboard, and random resistors. Output Frequency Range: 45Hz-65Hz. Its symbol is . Then, the resistors going to be measured by the DMM and put there values on the table without connecting them to the DC power supply. Turn on power supply. E36200 Series. The purpose of the report also includes measuring the current through each resistors and the voltage at each nodes in the circuit. INTRODUCTION. $300.00 $179.95. The voltage produced by the power . 1A). These are two separate supplies, they do not function like the + and - terminal of a battery. Equipment; The equipment used for the experiment included; an ac generator, Multimeter, Cathode ray This experiment confirmed Ohm's through various situations. The project is based on the industry popular 7800 series voltage regulator in TO220 packages. For the single resistor set-up, the theoretical total resistance was calculated to be . Programmable 30V/10A DC Power Supply Variable, . The schematic used to simulate a power . The main function of DC-DC converters is to generate regulated output voltage for electric and electronic applications. Prove that the CONCLUSION. Make sure that the JFET source is connected to the hard ground associated with the $+5\,\mathrm{V}$ power supply. Circuit diagram of 5V DC power supply. So when a voltage is . Use the Tektronix signal generator as a variable source of DC. You will be using it primarily as a voltage source. Figure 1. EXPERIMENT 1 POWER SUPPLY Objectives; 1. Conclusion from Ohm's Law lab Report. Figure 2: Linear AC/DC Power Supply Block Diagram. It is familiarly to provide 12-volt DC power output. 78XX is a positive voltage regulator and available at different output . (i.e., those items under investigation), a Conclusion (what was found or verified), a Discussion (an explanation and analysis of the lab data which links the . KVL and KCL is very important to analysis a linear circuit. The regulator. R 1: 10.36K. Figure 10. Capacitors Lab Report Conclusion. Stage 2: After adding the filter capacitor the output ripple closely approximated hand and PSpice calculations within 10%. This project can be used to power up TTL and CMOS based projects, it provides 5 VDC & 12 VDC outputs with an onboard mains transformer. Project 1 copy; Lab 4 - lab4 for this class; Lab 7 - lab 7 for this class; Lab5report; Combinational Circuit; Lab Electric Fields - Physics For a more in-depth overview of power supply selection, visit the Power Supplies Selection Guide on Engineering360. December 2019. DC power supplies can also incorporate a number of other features: Battery backup. Step Down Transformer: It converts high ac voltage to low ac voltage. Power factor correction. Connect a red wire to the +6V output terminal and a black wire to the COM output terminal. e.g., C1 in the circuit shown in Fig. all lab exercises require a non-formal laboratory report. Traditional linear AC/DC power supply design has evolved over the years, improving in terms of efficiency, power range, and size but this design has some significant flaws that limit its integration. A good regulated AC to DC power supply circuit is essential for any electronic hobbyists and electronic students to do their . Extract of sample "Parallel DC circuits". Now connect a resistor of around 800 to the output. ANALYSIS Stage 1: In design 1 the bridge rectifier efficiently produced an expected DC voltage, however the was a tremendous "ripple" that would not have been good for using the Power supply as a stable power supply. A huge limitation in a linear AC/DC power supply is the size of the transformer. We will write a custom Report on Electrical Circuit Theory: Rectification Process specifically for you. Step 2: The selection of transformer. VARIABLE AC POWER SUPPLY. Data Lab Forecast sourced these values from . Inspection of Eq. Thus, the circuit has produced an output voltage that has a non-zero DC component from the sinusoidal transformer secondary voltage that has a zero DC component. Afterwards we open the Digital multimeter and the DC power supply. In this lab, you will use the Regulated DC Power Supply, Model 3010, by R.S.R. Heat sink cooling. write a lab report including 1)Objective 2) Apparatus 3) Procedure 4) Results and Conclusion; Question: write a lab report including 1)Objective 2) Apparatus 3) Procedure 4) Results and Conclusion. Input: 240 VAC; Output: 5 V, 12 V @ 600 mA regulated low ripple DC voltage A DC-DC converter is a type of DC power supply that utilizes DC voltage as an input. A selection of . There is a negative power supply and a positive one. These lab power supplies are very good for testing a circuit in the lab but not The boost is the second most common non-isolated typology, in terms of units sold and functioning, and a lot of that is thanks to LED drivers, especially mobile devices. I measured 80 and 160 W. Triple output, low-noise, and feature packed our most popular bench DC power supply. If a circuit has no power a circuit would not be able to perform its desired function. Power supplies deliver the voltage to each. . separate dc power supply system delivers 120 V at up to 24 kW. Furthermore, the prominence of distributed energy sources such as solar photovoltaic systems, which produce DC power has created a demand for DC to DC converters. Instructions: This is a Lab Report Assignment recently done for an online client for submittal in an electrical engineering coursework. Student Printed Circuit Board with Connection Leads: a circuit board containing many; Question: Lab 3 - Superposition and Source Transformation Aim The aim of this lab is to demonstrate the validity of Superposition and Source Transformation theorems. It is quite similar to the circuit in 4.8; again, use zero, one, or two of the $+12\,\mathrm{V}$ supplies in series with the offset adder output ground. Introduction: DC Power Supply The DC power supply is used to generate either a constant voltage (CV) or a constant current (CC). Theory: The conversion of AC into DC is called Rectification. AC/DC power supply LPS170 series. VI. Weatherproof. OR Gate Integrated Circuit - the 7432 Quad 2-input OR. The purpose of the experiment is to design a +5 V DC regulated power supply delivering up to 1A of current to the load. 2. Hot swappable. Step 1: The selection of regulator IC. Lab 0: Introduction to Circuits Laboratory Variable Power Supply and Ground The DC power supply used in this lab can be accessed by selecting "Variable Power Supply" on the NI ELVIS menu. Output Transformer for Galvanic Isolation. Up to 30 A can be imposed on any of these wires. - set the power supply voltage to +5V (with the +20V scale option on the power supply) - measure the power supply voltage with the multi-meter - multimeter setting is to DC volts to measure the voltage. Conclusion. The main idea of this lab is to get a brief conceptual idea about the Power Supply components and their behavior. The rectified DC value is the peak value of the AC voltage from the transformer minus two diode drops. It offers three output ratings: 0 to +20V (0 to 0.5A), 0 to -20V (0 to 0.5A) and 0 to 6V (0 to 2.5A), with a total maximum power of 35W. This problem has been solved! This is because there are two diodes in total between the return path to the transformer. The majority of DC power supplies include built-in measurement circuits which measure both current and voltage. All experiments in the laboratory will be performed at a test bench which has several basic electronic instruments permanently installed. Output Power: 5kVA-200kVA. In conclusion, I would give three stars to the power supply and two stars to the software so that a total of five stars. Come browse our large digital warehouse of free sample essays. DC is the basis for most circuit designs that goes into everyday products. V = 5.00 V. I = V/R = 5 V / 1 K ohm = 5 mA (Ohm's Law) P = IV = (5 mA) x (5 V) = 25 mW (power dissipation) - the power dissipation . One +20 V DC power supply 7. Variable DC Power supply; 1k resistor (Color code Brown, Black, Red, Gold) . Introduction: The electrical power is almost exclusively generated, transmitted and distributed in the form of ac because of economical consideration but for operation of most of the electronic devices and circuits, dc supply is required. School New York Institute of Technology, Westbury Course Title EENG 275 Type Lab Report Uploaded By avarkey96 Pages 16 Ratings 100% (3) This preview shows page 1 - 6 out of 16 pages. Figure 4: Schematic diagram of a series circuit connecting to AC power supply and two resistor. See the answer See the answer See the answer done loading. Series DC Circuit Example. A DC power supply is a device that supplies DC voltage and current to a circuit. A direct current circuit is a circuit that an electric current flows through in one direction. whatever the load is that is connected to the power supply. 4. How much current is DC power supply measuring? Direct Current (DC) is the constant flow of electric charge from high to low potential. Electronic devices can convert AC . Such circuits are better known as power supplies. XD. DC Power Supply, a source of power for our circuits. View full document EENG - 275 Experiment #7: DC Power Supplies Dr. Beheshti Simple power supply with bridge rectifier. At this part we place the resistors on the breadboard and connect it to the DC power supply, however we must check for the values of the current and voltage were entered in the DC power supply, after making sure we open the output switch. Read this essay on The Capacitor Lab Report. Also to determine the load regulation and efficiency of the regulated power supply. for only $16.05 $11/page. To observe the effect of filter on the wave form and average value of dc output. VOLTEQ VARIABLE DC POWER SUPPLY HY3003D-3 TRIPLE OUTPUTS 30 V 3A. PRELAB 1. The DC Power Supply This experiment consists of 9 separate sections, each investigating aspects of D.C. supplies. New Model! Digital Metering on LCD Screen. Front Panel with LCD Screen and LED Indication. To reduce the ripple factor to a value less than 0.1%. Before beginning, read through the whole of these instructions and decide which sections you will do. Major components of the Power Supply being discussed are Rectifier and Filter and Regulator. Temperature compensation. $300.00 $179.95. Next page. Power: 175 W. Input voltage: 85 V - 264 V. Output voltage: 2.5 V - 54 V. LPS170 series AC-DC power supplies are available with a nominal main output of 5 V, 12 V, 15 V or 24 V, adjustable over a wide 2:1 ratio. Auxiliary 12 V and 5 V standby . (8.3) shows that vo consists of a DC component equal to Vo/. A linear power supply, or an adjustable power supply, or a variable power supply can be a regulated power supply. Let current I (quantified as Ampere) flow through the series circuit. The boost is a logical next step to analyze after the buck, and it's the second of the three most . . The circuit must use a single 20 V power source. 2. It may have any voltage value, like 5V, 10V, 12V and many more. 6. Below is the circuit schematic of bridge rectifier regulated lab power supply circuit using 78XX voltage regulator IC. Water cooling. There is different analysis to design the circuit based on the number of output. Question: What is Variable DC supply? 5.0 out of 5 stars Different but similar The DC power supply This power supply contains three independent voltage sources. 6 offers from $62.39. This action of generating a direct voltage from an alternating supply voltage by a diode is called adjustable 1U low-profile. 5. 6. That is, it may be used as either a DC voltage source or a DC current source. The one we are going to use for this lab is an Agilent E3630A Triple Output DC Power Supply, as shown in Figure 1 - 2. Using DMM we measure the voltage across each resistor and put the values on the table. Conclusion. Enhance your bench with a low-noise power supply that is easily viewable from any angle. You may do all or only a few of these experiments. Design and create a SPICE model of a bridge-type, full-wave rectified, dc power supply using a filter capacitor. They include: a dc power supply, a waveform generator, a digital voltmeter (DVM), and a digital oscilloscope. An important point to keep in mind is, a regulated power supply is not always designed for just constant output voltage, it may be designed for constant output current. Analysis. For a DC power supply to be considered reliable, it must deliver voltages and currents that are stable and precise, with all types of loads in mind: resistive, inductive, low impedance, high impedance, stable, or variable. . Before starting to measure DC voltages, you need to get familiar with DC voltage sources. Step by step method to design 5V DC power supply. A DVM is really a universal meter which can also measure current (both dc and ac . The DC power supply was replace with an AC power supply which has frequency of 5kHz as shown in Figure 4 below. See the following Objectives To design a 12-volt DC power supply with a maximum output current of 200mA. DC converters are widely used for . Variable Regulated Power Supply Description: the project aims to construct an adjustable regulated power supply that can provide DC voltage ranging from 1.2 -30 V. the electric circuit consists of an AC Transformer followed by a rectifier bridge then smoothing capacitor and an adjustable voltage regulator integrated circuit. Step 3: The selection of diodes for the bridge. Guidelines: Exercises 1-4: 2 weights, Exercises 5-6: one additional weight . VARIABLE LINEAR DC POWER SUPPLY GPC-3030D TRIPLE OUTPUTS 30 V 3A. . It contains a rotary knob which can be rotated to achieve our desired output voltages. Read more. While . Equipment: Digital Multimeter . Dry cells and batteries can be used for this purpose. A sine wave of 1 kHz frequency and a root mean square voltage of 1.4145V was displayed on the screen. Output Voltage Range: 80VAC-300VAC 1 Phase or 160VAC-520VAC 3 Phase. Electronics that is shown in Figure 1. December 2019. DC Circuit II Lab Report; Nuclear Decay Lab Report; Lab Summary 2 - Lab report for the "Charge and Electric Fields" lab. The ripple voltage is defined as the peak-to-peak (pp) voltage of the waveform seen at the output node of a power supply when an external load is connected - the impedance of the load will influence the magnitude of the ripple voltage. A dc power supply is an electronic circuit which generates dc voltage using ac as input. October 2019. That is a half-wave, full-wave bridge, and full-wave center-tapped processes. Apparatus 120-volt rms 60Hz input 60 ohm to 1k ohm load resistor 10 to 1 step-down transformer FWB bridge Voltage Regulator 2 100nF capacitors 10uFcapacitor 4.7 uF Capacitor Overview Suppose three resistors R 1, R 2, and R 3 are connected in series across a voltage source of V (quantified as volts) as shown in the figure. VOLTEQ GPC-3030D is a triple output variable regulated power supply.