Rigol DP1116A Performance Verification Manual Download Page 35 | Manualshive

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Rigol DP1116A Performance Verification Manual Download Page 35

Chapter 3 Constant Current Test

RIGOL

DP1116A

Performance Verification Manual

3-5

Test Record Form:

Table 3-1 CC Load Regulation Rate Test Record Form

Scale

16V/10A

32V/5A

Specification

<0.005%*250 μA

=750 μA

<0.005%*250

μA=500 μA

DP1116A

Setting

Volt (V)

16.8

33.6

Current (A)

10

5

Measurement

Value

U

0

U

1

|U

1

/R - U

0

/R|

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Summary of Contents for DP1116A

Page 1: ...RIGOL Performance Verification Manual DP1116A Programmable Linear DC Power Supply Feb 2014 RIGOL Technologies Inc...

Page 2: ......

Page 3: ...erial RIGOL shall not be liable for losses caused by either incidental or consequential in connection with the furnishing use or performance of this manual as well as any information contained Any par...

Page 4: ...re any inputs or outputs Connect the Probe Correctly If a probe is used do not connect the ground lead to high voltage since it has the isobaric electric potential as ground Observe All Terminal Ratin...

Page 5: ...tmosphere Keep Product Surfaces Clean and Dry To avoid the influence of dust and or moisture in air please keep the surface of device clean and dry Electrostatic Prevention Operate in an electrostatic...

Page 6: ...struments geerdet Schlie enSie die Erdungsklemmen an keine hohe Spannung an Beachten Sie alle Anschl sse Zur Vermeidung von Feuer oder Stromschlag beachten Sie alle Bemerkungen und Markierungen auf de...

Page 7: ...b jedweder explosiven Atmosph re zu betreiben Ger teoberfl chen sauber und trocken halten Um den Einflu von Staub und Feuchtigkeit aus der Luft auszuschlie en halten Sie bitte die Ger teoberfl chen sa...

Page 8: ...work normally and is within specifications Main topics of this manual Chapter 1 Test Overview This chapter mainly introduces the test preparations the recommended test devices and the test precaution...

Page 9: ...mming and Readback Accuracy 2 12 Chapter 3 Constant Current Tests 3 1 Preparations 3 2 CC Load Regulation Rate CC Load Effect 3 4 CC Linear Regulation Rate CC Source Effect 3 6 CC Ripple and Noise Nor...

Page 10: ......

Page 11: ...t Overview RIGOL DP1116A Performance Verification Manual 1 1 Chapter 1 Test Overview Topics of this chapter Test Preparations Voltage and Current Values Recommended Test Devices Test Precautions Test...

Page 12: ...onnecting the power make sure that the setting of the voltage selector at the rear panel of the power supply matches the AC power supply to be connected DP1116A supports the following input voltages 1...

Page 13: ...scale of the power supply to specified values Table 1 1 lists the rated output values and maximum output values of the voltage and current of the two scales Table 1 1 Voltage and Current Values of the...

Page 14: ...eadout Resolution 5 bit RIGOL DM3068 Measure the DC voltage RMS Voltmeter Sensitivity 1 mV Bandwidth 10 MHz Agilent 3458A Measure the RMS ripple and noise Electronic Load Voltage Range 60 Vdc Current...

Page 15: ...k wire inside the instrument chassis can also cause error about 2 mV called Uoffset When testing the load regulation rate voltage peak peak value and transient response time the test devices are conne...

Page 16: ......

Page 17: ...cation Manual 2 1 Chapter 2 Constant Voltage Tests Topics of this chapter Environmental Preparations CV Load Regulation Rate CV Load Effect CV Linear Regulation Rate CV Source effect CV Ripple and Noi...

Page 18: ...rature about 25 make connections according to the figure below using the devices recommended in Recommended Test Devices During the test please set the voltage of the AC power supply according to the...

Page 19: ...short circuit devices in Figure 2 1 are used to short circuit the S terminal and terminal as well as the S terminal and terminal respectively Before performing the test press Sense to enable the Sense...

Page 20: ...d to 16V 10A Set the voltage and current of the scale to be tested according to Table 2 1 Press On Off to enable the output of the power supply 4 Turn on the electronic load Adjust the current of the...

Page 21: ...rmance Verification Manual 2 5 Test Record Form Table 2 1 CV Load Regulation Rate Record Form Scale 16V 10A 32V 5A Specification 0 01 Volt 2 mV 3 6 mV 0 01 Volt 2 mV 5 2 mV DP1116A Setting Volt V 16 3...

Page 22: ...to 220 V Note the value set in this step should be accordance with the value selected by the voltage selector in the rear panel of DP1116A 3 Turn on DP1116A Press 16V 10A at the front panel to set the...

Page 23: ...steps 4 to 7 to test the CV linear regulation rate at 32V 5A scale Test Record Form Table 2 2 CV Linear Regulation rate Test Record Form Scale 16V 10A 32V 5A Specification 0 01 Volt 2 mV 3 6 mV 0 01 V...

Page 24: ...loscope connect the positive terminal of the oscilloscope probe to the positive terminal of the output scale of the power supply connect the ground terminal of the oscilloscope probe to the negative t...

Page 25: ...pling mode to AC and the input impedance to 1 M turn on the 20 MHz bandwidth limit Enable the peak peak value measurement function of the oscilloscope Make sure that the power supply is in CV mode Rea...

Page 26: ...f load or vice versa Test Procedures 1 Turn off DP1116A Connect DP1116A AC power supply electronic load and oscilloscope according to Figure 2 1 Make sure that the programmable electronic load is in C...

Page 27: ...value of t namely X displayed on the screen as shown in the figure below 6 Press 32V 5A at the front panel and repeat steps 1 to 5 to test the transient response time at 32V 5A scale Test Record Form...

Page 28: ...6A 3 Measure the CV programming accuracy and readback accuracy when the voltage is 0V 1 Turn on DP1116A Send commands via the remote interface to select the scale to be tested set the voltage and curr...

Page 29: ...and via the remote interface USB LAN or GPIB Read and record the retuned voltage U4 4 Calculate the programming accuracy U3 rated output voltage of the scale under test Calculate the readback accuracy...

Page 30: ...ing 0 05 Volt 10 mV 26 mV Readback 0 05 Volt 5 mV 21 mV Output voltage is 0 DP1116A Setting Volt V 0 0 Current A 10 5 5 25 Measurement Value Test Result U1 U2 Programming Accuracy U1 0 Readback Accura...

Page 31: ...Verification Manual 3 1 Chapter 3 Constant Current Tests Topics of this chapter Environmental Preparations CC Load Regulation Rate CC Load Effect CC Linear Regulation Rate CC Source Effect CC Ripple a...

Page 32: ...se to enable the Sense mode Note that a current sampling resistor RM 0 01 should be connected between the power supply under test and the electronic load serially to convert the current signal under t...

Page 33: ...Chapter 3 Constant Current Test RIGOL DP1116A Performance Verification Manual 3 3 S S Figure 3 2 4 wire Current Sampling Resistor C C...

Page 34: ...lected by the voltage selector in the rear panel of DP1116A 3 Turn on DP1116A Press 16V 10A at the front panel to set the scale to be tested to 16V 10A Set the voltage and current of the scale to be t...

Page 35: ...erification Manual 3 5 Test Record Form Table 3 1 CC Load Regulation Rate Test Record Form Scale 16V 10A 32V 5A Specification 0 005 Current 250 A 750 A 0 005 Current 250 A 500 A DP1116A Setting Volt V...

Page 36: ...d be accordance with the value selected by the voltage selector in the rear panel of DP1116A 3 Turn on DP1116A Press 16V 10A at the front panel to set the scale to be tested to 16V 10A Set the voltage...

Page 37: ...to 7 to test the CC linear regulation rate at 32V 5A scale Test Record Form Table 3 2 CC Linear Regulation Rate Test Record Form Scale 16V 10A 32V 5A Specification 0 01 Current 250 A 1 25 mA 0 01 Curr...

Page 38: ...ep should be accordance with the value selected by the voltage selector in the rear panel of DP1116A 4 Turn on DP1116A Press 16V 10A at the front panel to set the scale to be tested to 16V 10A Set the...

Page 39: ...ear panel of DP1116A 3 Measure the programming and readback accuracy when the current is 0 A 1 Turn on DP1116A Send commands via the remote interface to select the scale to be tested set the voltage a...

Page 40: ...he current I3 U3 RM 3 Send the MEASure CURRent command via the remote interface Read and record the returned current I4 4 Calculate the programming accuracy I3 rated output current of the scale under...

Page 41: ...ramming 0 2 Current 10 mA 20 mA Readback 0 15 Current 5 mA 12 5 mA Output current is 0 DP1116A Setting Volt V 16 8 33 6 Current A 0 0 Measurement Value U1 I1 U1 RM I2 Programming Accuracy I1 0 Readbac...

Page 42: ......

Page 43: ...Volt 2 mV 5 2 mV DP1116A Setting Volt V 16 32 Current A 10 5 5 25 Measurement Value U0 U1 U1 U0 CV Linear Regulation Rate Test Record Form Scale 16V 10A 32V 5A Specification 0 01 Volt 2 mV 3 6 mV 0 01...

Page 44: ...Specification 350 V rms 3 mVpp DP1116A Setting Volt V 16 32 Current A 10 5 5 25 Measurement Value Vpp Vrms Transient Response Time Test Record Form Scale 16V 10A 32V 5A Specification 50 s DP1116A Sett...

Page 45: ...rement Value Test Result U1 U2 Programming Accuracy U1 0 Readback Accuracy U2 0 Output voltage is the rated output value DP1116A Setting Volt V 16 32 Current A 10 5 5 25 Measurement Value Test Result...

Page 46: ...6 Current A 10 5 Voltage Selector 100 115 220 230 100 115 220 230 Fuse T4 A T2 5 A T4 A T2 5 A AC Power Supply Setting Undervoltage Vac 90 103 198 207 90 103 198 207 Overvoltage Vac 110 127 242 253 1...

Page 47: ...0 mA Readback 0 15 Current 5 mA 12 5 mA Output current is 0 DP1116A Setting Volt V 16 8 33 6 Current A 0 0 Measurement Value U1 I1 U1 RM I2 Programming Accuracy I1 0 Readback Accuracy I2 0 Output curr...

Page 48: ...01 2 mV Current 0 01 250 A Ripple and Noise 20 Hz to 20 MHz Normal Mode Voltage 350 V rms 3 mVpp Normal Mode Current 2 mA rms Annual Accuracy 1 25 5 Output Percentage Offset Programming Voltage 0 05 1...

Page 49: ...Vac 10 115 Vac 10 220 Vac 10 230 Vac 10 Environment Working Temperature Full Rated Value Output 0 to 40 Under Relatively Higher Temperature the linearity of the output current reduces to 50 at the hi...

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