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Shanghai Chengli Electronic Technology Co., Ltd
High voltage stabilized DC power supply
NegotiableUpdate on 05/15
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Overview
The high-voltage DC stabilized voltage and current power supply adopts the working principle of PWM high-frequency switching power supply internally, and uses imported IGBT modules. The specific characteristics of high efficiency, high precision, and high stability are optimized for the high efficiency of linear power supplies and silicon rectifier power supplies. The product is more energy-efficient and mainly used in scientific research institutions, laboratories, and electronic production lines that require precision power testing. Alias: Adjustable Switching Power Supply, Adjustable DC Stabilized Power Supply, High Voltage DC Stabilized Power Supply, DC Adjustable Stabilized Power Supply, DC Power Supply, High Power DC Power Supply.
Product Details
Introduction to the Design Scheme of High Voltage DC Power Supply
High voltage stabilized DC power supply
1High voltage direct currentPower Overview
This technical design proposalforHigh voltage direct currentStable voltage and current power supplyThe technical design specifications require that the power supply has constant voltage and currentAutomatic temperatureControl function. System protection function *, system protection function *, strong anti-interference ability, high reliability. Simple operation, user-friendly design, high degree of automation, power supply design and manufacturing followIEC International Electrotechnical Standards and National Industry Technical Standards.
high pressureThe DC stabilized voltage and current power supply adopts internalThe working principle of PWM high-frequency switching power supply adopts imported IGBT modules. The specific characteristics of high efficiency, high precision, and high stability are optimized for the high efficiency of linear power supplies and silicon rectifier power supplies. The product is more energy-efficient and mainly used in scientific research institutions, laboratories, and electronic production lines that require precision power testing. Alias: Adjustable Switching Power Supply, Adjustable DC Stabilized Power Supply,high pressureDC stabilized power supply, DC adjustable stabilized power supply, DC power supply, high-power DC power supply.
The voltage and current values of the DC power supply can be continuously adjusted from zero to the rated value, with automatic conversion between constant voltage and current. The protection points can be selected and limited within the rated range. Voltage and current simultaneouslyLED digital display. This DC power supply is widely used in laboratories of various colleges and universities, automatic testing equipment, electronic inspection equipment, resistors, relays, motors and other electronic components in production lines, routine tests, electrolytic capacitors, and tantalum capacitors. Communication equipment. All occasions that require DC power supply, such as automatic aging equipment.
Typical features of this power supply:
1.1Applicable to3-phase 4-wire 380VAC power supply;
1.2The selection of a large number of redundant components enhances the full load overload capacity of the power supply and prolongs the lifespan of the equipment;
1.3The selection of high-quality materials and low voltage drop devices enables the equipment to achieve high efficiency90%above；
1.4*The protection function of the device tends to minimize the failure rate;
1.5excellentThe LC filtering network outputs low ripple DC while also considering energy storage output;
1.6Advantages: Small size, light weight, energy-saving and efficient；
1.7outputCC/CV constant voltage and constant current automatic switching, continuous linear adjustment of voltage and current values;
1.8RS485/RS232 interface is used to control data connection with other devices or to connect with PLC.
IIHigh voltage direct currentTechnical standards for power supply reference
2.1 GB/T14549-1993 "Electric Energy Quality - Harmonics in Public Power Grids"
2. 2 IEC-60529 "International Electrotechnical Standard"
2. 3 IEC-60146 "International Electrotechnical Standard"
2JB/T8740-98 "Rectifiers for Electrochemical Applications"
2ZBK16 006-88 "Rectifiers for Electrochemical Applications"
2JB/T 7626-94 "Test Method for Reverse Blocked Three pole Thyristor"
2GB13539.4-92 "Supplementary Instructions for Fuses for Protection of Semiconductor Devices with Low Voltage Fuses"
2GB/T 13422-92 "Electrical Test Methods for Semiconductor Power Inverters"
2GB/T3859.1-93 "Semiconductor power converters, basic requirements and regulations"
2.10 GB50054-95 Code for Design of Low Voltage Power Distribution
2.11 GB50052-95 Design Specification for Power Supply and Distribution System
2.12 GB50055-93 Design Specification for Distribution of General Electrical Equipment
2.13 GB50217-2007 Code for Design of Electric Power Engineering Cables
2.14 GB50058-92 Design Code for Electrical Installations in Explosive and Fire Hazardous Environments
2.15 HG/T 20511－2000 Design Regulations for Signal Alarm and Safety Interlocking Systems
2.16 IEC146-1 Semiconductor converters, general requirements, and grid converters,
2.17 GB/T3859.2-93 Semiconductor power converters, application guidelines
2.18 GB4208 Classification of Protection Levels for Enclosures,
2.19 GB3836.1 Standard for Electrical Equipment Installation Engineering and Handover Test of Electrical Equipment
2.20 GB 191 Packaging and Storage Marks
noteThe above standards shall be implemented in the latest version, and other requirements of the equipment shall comply with the corresponding national standards.
IIIOperating conditions for rectifier power supply environment
31Installlocation: IndoorInstall ；
3. 2environmentworktemperature-20℃～+50℃ ；Maximum annual average temperature: 26℃； Maximum daily average temperature: 40 ℃; Daily average temperature difference: 26 ℃.
3. 3Relative humidity:15～85%R ；
3. 4Altitude: less than1500 meters ；
3. 5Usage environment: No severe vibration and impact, and vertical inclination not exceeding5% of places ；
Seismic resistance capabilityGround horizontal acceleration 0.2g; Ground vertical acceleration 0.1g.
3.6. Equipment color:Basic color:RAL7035off-white
4High voltage direct currentpower supplyMain circuit electrical schematic diagram
High voltage stabilized DC power supply
5Basic technical and process parameters
Model: |
ANT400V-20KW-CL |
1. Input/output |
Input: Communicationthree-phase380V±10% 50Hz±10% Output mode: DC stabilized voltage/steady flow Output maximum voltage and current value:400V50A |
2、voltage regulation accuracy |
Source effect:≤0.5%Rated value (output voltage change rate caused only by input source voltage variation of -5% to+10%) Time drift:≤0.5%Rated value (only the output voltage change rate caused by the continuous operation time of the power supply exceeding 8 hours) Warm float:≤0.5%Rated value/℃ (only due to the rate of output voltage change caused by changes in ambient temperature within the range of power supply usage) Load effect≤0.5% rated value (only the rate of change in output voltage caused by the change in output current from zero to rated value) |
3、current stability accuracy |
Source effect:≤1%Rated value (rate of change in output current caused only by a -5% to+10% variation in input source voltage) Time drift:≤1%Rated value (only the rate of change in output current caused by continuous operation of the power supply for more than 8 hours) Warm float:≤1%Rated value/℃ (only due to the rate of change in output current caused by changes in ambient temperature within the temperature range of the power supply) Load effect≤1% rated value (only the rate of change in output current caused by the change in output voltage from zero to rated value) |
4、Total equipment power |
20KW |
5、Output voltage regulation range |
0V~400V |
6、Output current regulation range |
0~50A |
7、Output voltage and current settings |
touch screen |
8Protection method |
limitPressurelimitAutomatic protection against current, overheating, and phase loss |
9Working methods |
Can work continuously at full load for a long time |
10、Output voltage and current display mode |
touch screen |
11Output voltage and current display resolution |
0.1V；0.1A |
12Error of overall voltage and current meter |
≤±0.5%(Measurement range)20％~100% rated value) ≤±1%(Measurement range)20％~100% rated value) |
13Applicable load characteristics of power supply |
Capacitive load, resistive load, inductive load |
14Output waveform |
The overall trend is towards linear waves |
15Insulation strength, insulation resistance |
1750V；20MΩ |
16Rated conversion efficiency |
≥90 |
17Rated input power factor |
≥0.85 |
18Transformer insulation level |
Grade B |
19Environmental conditions |
Usage location: Only for indoor use Wen Degree:-20℃～65℃ Air humidity:≤90% |
20Cooling method |
compulsoryair cooling |
22、contact method |
RS485/RS232 interface |
22. Size |
width, height, depth440 * 180 * 550mm (excluding casters) (approximate size) |
23. Weight |
35KG (approximate weight) |
|
Explanation: All values are typical, therefore they may exceed this value under different loads or other conditions. Accuracy is measured in the voltage detection state at the load end, and there may be deviations between the actual value and the rated value under temperature errors and component aging conditions. | |
Machine interface
communication protocol
command |
register address |
rw |
explanation |
03 |
0000H |
r |
Power status bit (see instructions below)1.1） |
03 |
0001H |
r |
Power status bit2(See below for explanation)1.2） |
03 |
0002H |
r |
Low power supply temperature16bit(Floating point number) |
03 |
0003H |
r |
High power supply temperature16Bit (Floating Point Number) |
03 |
0004H |
r |
power supply Actual voltage is low16Bit (Floating Point Number) |
03 |
0005H |
r |
The actual voltage of the power supply is high16Bit (Floating Point Number) |
03 |
0006H |
r |
The actual current of the power supply is low16Bit (Floating Point Number) |
03 |
0007H |
r |
The actual current of the power supply is high16Bit (Floating Point Number) |
03 |
0008H |
r |
backup |
03/06/16 |
0009H |
rw |
Power control bit (see instructions below)1.3） |
03/16 |
000AH |
rw |
Low power supply setting voltage16Bit (Floating Point Number) |
03/16 |
000BH |
rw |
High power supply setting voltage16Bit (Floating Point Number) |
03/16 |
000CH |
rw |
Low power supply setting current16Bit (Floating Point Number) |
03/16 |
000DH |
rw |
High power supply setting current16Bit (Floating Point Number) |
03/16 |
0102H |
rw |
Low power overvoltage setting value16Bit (Floating Point Number) |
03/16 |
0103H |
rw |
High power overvoltage setting value16Bit (Floating Point Number) |
03/16 |
0104H |
rw |
Low power overcurrent setting value16Bit (Floating Point Number) |
03/16 |
0105H |
rw |
High power overcurrent setting value16Bit (Floating Point Number) |
Power status bit description
bit |
0express |
1express |
Bit0 |
The power supply is not turned on |
The power has been turned on |
Bit1 |
local control |
remote control |
Bit2 |
retain |
retain |
Bit3 |
retain |
retain |
Bit4 |
Prohibit output |
Allow output |
Bit5 |
constant current |
constant voltage |
Bit6 |
retain |
retain |
Bit7 |
retain |
retain |
Bit8 |
undervoltage |
normal |
Bit9 |
overvoltage |
normal |
Bit10 |
overcurrent |
normal |
Bit11 |
overtemperature |
normal |
Bit12 |
retain |
retain |
Bit13 |
retain |
retain |
Bit14 |
retain |
retain |
Bit15 |
retain |
retain |
Power status bit2explanation
bit |
0express |
1express |
Bit0 |
For internal use only |
For internal use only |
Bit1 |
For internal use only |
For internal use only |
Bit2 |
For internal use only |
For internal use only |
Bit3 |
For internal use only |
For internal use only |
Bit4 |
For internal use only |
For internal use only |
Bit5 |
For internal use only |
For internal use only |
Bit6 |
For internal use only |
For internal use only |
Bit7 |
For internal use only |
For internal use only |
Bit8 |
For internal use only |
For internal use only |
Bit9 |
For internal use only |
For internal use only |
Bit10 |
For internal use only |
For internal use only |
Bit11 |
For internal use only |
For internal use only |
Bit12 |
normal |
Prohibit panel control |
Bit13 |
normal |
Prohibited232control |
Bit14 |
normal |
Prohibited485control |
Bit15 |
normal |
ProhibitedCANcontrol |
Power Control Bit Description
bit |
0express |
1express |
Bit0 |
Stop power supply |
Power on |
Bit1 |
local control |
remote control |
Bit2 |
retain |
retain |
Bit3 |
retain |
retain |
Bit4 |
retain |
retain |
Bit5 |
retain |
retain |
Bit6 |
retain |
retain |
Bit7 |
retain |
retain |
Bit8 |
retain |
retain |
Bit9 |
retain |
retain |
Bit10 |
retain |
retain |
Bit11 |
retain |
retain |
Bit12 |
retain |
retain |
Bit13 |
retain |
retain |
Bit14 |
retain |
retain |
Bit15 |
retain |
retain |
7Shipping List
host a
wooden packing case a set
Instruction manual (including communication protocol) a copy
Certificate of Conformity a copy
Warranty Card a copy
Factory inspection report a copy
