Yangzhou Idealtek Electronics Co., Ltd.  

Product Name: 3kw High Precision Low Ripple Bench Top Variable Switching DC Power Supply with 19'' 2u Rack Mount Chassis Model NO.: MTP - 2U Brand: Idealtek Certification: CE Modulation System: PWM Energy Transmission: One-way Transmission Power Supplying System: Terminal Power Distribution Equipment Voltage Regulating Mode: Width Modulation Type Starting Mode: Key Button Connection Mode: Output Terminal Bolted Input Voltage: 220V Output Power: 3kw Warranty: 1 Year Output Type: Single Circuit Mode: Full-Bridge Phase-Shifting Soft Switch PWM Regulat Working Mode: Constant Voltage / Constant Current Protection: Ovp / Ocp / Otp / Short-Circuit Remote Control: 0~10V / 0 ~ 5V / 4~20mA /RS485 Port Application: Motor Test / Battery Charging & Discharging Enclosure: 19-Inch 2u Rack Mount Chassis Trademark: iDealTeknic Transport Package: Plywood Case Specification: 3KW DC output Origin: China HS Code: 85044019 Product Description MTP Series Switching DC Power SupplyPower range: 1.5 ~ 3KWVoltage range: 30 ~ 1000VCurrent range: 3.5 ~ 100A2U / 19-inch standard chassisPrecise voltage and current setting and measurement capabilitiesLine voltage drop remote sensing & compensation function.OVP, OCP, OTP and short circuit protections etc.CE certifiedOverviewMTP series high-precision DC test power supply adopts full-bridge phase-shift soft-switching technology, high output efficiency and small size; it has two-stage conversion circuit structure and double closed-loop control circuit system to ensure power supply with high stability and good output precision.It can meet the testing needs of power electronics industry, electronic device industry, new energy motor industry and power battery industry.Block diagramFeaturesIsolated input and output for safe operation.CV & CC output mode, output voltage and current continuously adjustable in full scale.Multi-stage filtering circuit adopted to reduce harmonic interference to the power grid.Double closed-loop circuit, fast response speed and stable output.Full-bridge phase-shifting soft switching technology, the overall efficiency is up to 88%.With RS485 communication interface, in line with MODBUS-RTU communication protocol.Amorphous high-frequency transformers and potted inductance adopted to give smaller temperature rise and better reliability.The input and output terminals are equipped with safety shielding to ensure the safety of installation.Optional functionsAnalog control via 0 ~ 5V / 0 ~ 10V or 4mA ~ 20mA signal. (+AC)Output power-limiting function (+PL)Built-in automatic energy discharging unit (+EDU)24V interlock circuit (+ILK)Parallel-connection function (+PC)SpecificationsInputConnection modeSingle - phase, two - wire + GNDVoltage220V±10%Frequency50Hz/60Hz±5HzOutputRated power* kWOutput voltage adjusting range0V ~ ****VOutput current adjusting range0A ~ ***AOutput voltage precision0.5%FSOutput current precision0.5%FSLine regulation≤0.2%FSLoad regulation≤0.2%FSTemperature drift0.04%FS/ºCTime drift0.3%FSRipple (Vr.m.s.)≤0.5% F.S (measured @ rated voltage with 80%-100% resistive loading)Response time≤10ms (measured @ 10%-90% resistive loading)Efficiency≥88% (measured @ 80%-100% resistive loading)Working abilityWithstand long-term continual working.Setting & DisplayControl modeLocalFront panel button controlRemoteRS485 communication interface.In line with MODBUS-RTU standard.Display modeLED digital displaySet & Display errorVoltage0.5%FSCurrent0.5%FSDisplay resolutionVoltageFour-digit display with a minimum resolution of 0.01V(Ue ≤ 30V)Four-digit display with a minimum resolution of 0.1V(30V < Ue < 1000V)Four-digit display with a minimum resolution of 1V(Ue ≥ 1000V)CurrentFour-digit display with a minimum resolution of 0.01A(Ie ≤ 50A)Four-digit display with a minimum resolution of 0.1A(50A < Ie < 1000A)Four-digit display with a minimum resolution of 1A(Ie ≥ 1000A)Automatic voltage compensation≤5V (Ue ≤ 100V)≤10V (100V<Ue ≤ 300V)≤15V (300V< Ue ≤ 1000V)Over-loading abilityIout≤1.25 Ie, output shutdown after 600s.Iout≤1.5Ie, output shutdown after 60s.Iout≤2Ie, output shutdown after 5sIout>2Ie, output shutdown immediately.Protection & Monitoring functionsOutput over voltage protection (OVP)Output over voltage protection value settable.Power supply automatically cuts off output and alarms when output has over voltage.Output over current protection (OCP)Output over current protection value settable.Power supply automatically cuts off output and alarms when the output has over current.Over temperature protection (OTP)Power supply automatically cuts off output and alarms when the internal temperature of the power supply exceeds 85 °C.Output short-circuit protectionPower supply automatically cuts off output and alarms when the output has short-circuit.Automatic voltage compensation protectionOutput over compensation protection / compensation line reverse-connected protectionNoise≤55dBProtection degreeIP20Cooling methodForced air coolingSafety featuresInsulation resistance≥20MΩWithstand voltage ability60s test @ 2000VDC, no flash-over or spark-over.Grounding inductance resistance≤100mΩWorking conditionsAmbient temperature0ºC~45ºCHumidity10%~90%(non-condensing)Height≤2000mSize (W*H*D) (mm)500*88*500 (19'' 2U standard chassis)FunctionsWorking modesThe power supply has two working modes: CV / CC mode and CV / OC mode, customers can select different working modes according to actual use requirements.CV / CC modeUnder CV / CC mode, the output voltage and current of power supply are continuously adjustable from 0 to the rated value. Power supply works either in constant voltage (CV) or constant current (CC) state, the CV & CC working state are automatically switchable, the switching conditions are determined by the voltage & current set values and the customer's load resistance value. For details, please refer to the following figure.In CV state, the output voltage is adjustable and regulated; the output current varies with the output voltage value and the customer load resistance.In CC state, the output current is adjustable and regulated, the output voltage varies with the output current value and the customer load resistance.CV / OC modeUnder CV / OC (over current) mode, besides CV function, power supply still has over-current working ability, (OCP is invalid in this mode), detailed parameters as below:0% ~ 100% rated current value:continuous working with load100% ~ 125% rated current value:withstand 600s continuous working125% ~ 150% rated current value:withstand 60s continuous working150% ~ 200% rated current value:withstand 5s continuous workingPower supply automatic protected and stops output when Max. Over-current time exceeded.OVP & OCP value setting functionOVP and OCP value could be set via front control interface, power supply could automatically stop output when output voltage or output current exceeds the set protection values.OVP: over voltage protection value.OCP: over current protection value.Automatic line voltage drop compensation functionPower supply has automatic line voltage drop compensation terminals, connect the terminals to load ends; power supply could automatically detect load end voltage value and make voltage compensation for line voltage drop. Meanwhile, this function could detect if load connection is reverse connected or not.Self-discharging functionThe power supply has built-in discharging circuit, which would be automatically activated to quickly release the energy stored in the output capacitor after the power supply stops output, so as to prevent personal injury caused by accidently touching the output terminal right after the power supply stops.Short-circuit protectionThe power supply can adapt to two kinds of short-circuit conditions as below:If the power supply has short-circuit before starting output, then power supply can be normally started and running continuously for a long time.If power supply has a sudden short-circuit during running with load, then power supply would automatically stop output and gives sound alarm, LEDs on front panel would display corresponding alarm code.Communication portPower supply equipped with RS485 communication port for remote control and monitoring via PC.Analog signal port (optional)The power supply can be equipped with an external analog signal port via 0 ~ 10V or 4 ~ 20mA signal to realize power supply start / stop control, power supply running / fault status monitoring.24V interlock circuit (optional)The power supply can be equipped with 24VDC output interface to build an interlock circuit with external devices.Key technology introductionAir duct designFull-sealing independent "Chimney" type air duct design adopted, the inner circuit uses independent cooling fan to improve the product heat dissipation effect, and the air inlet has dustproof measures, which greatly reduces dust and debris entering the power supply. The radiator and fan can be cleaned and maintained separatelyThe heat dissipation system undergoes rigorous simulation and actual testing, and is designed with reliability in consideration of national standards and enterprise standards to ensure that the device with low temperature rise and long life.Modular designThe power supply follows the modular design concept and requirements. According to the analysis of product characteristics and functions, each subsystem will use components with independent functions. By the Laminated busbar structure and the use of standardized long-term verified power units, the loop sense is effectively reduced, and the reliability of the product operation is greatly improved.Core componentThe key and important core devices are all internationally renowned brands, and high-quality devices ensure the stability and reliability of product operation.Installation environmentAmbient temperature: Please have the power source working in safe temperature range (0ºC ~ 45ºC) or it would affect life of power source.Please install the power source at least 50cm distant from surroundings to have better ventilation.Please install the power source away from vibration (less than 0.6G), especially equipment like puncher.Keep the power source away from direct sunshine, humidity or place with water globule.Keep the power source from corrosive, flammable & explosive gas.Keep the power source away from oil stain, dust & metallic dust.Standard model listModelMTP-0030-0100SMTP-0060-0050SMTP-0120-0025SMTP-0150-0020SMTP-0200-0015SMTP-0300-0010SMTP-0600-0005SMTP-1000-0003SRated power3KWRated voltage30V60V120V150V200V300V600V1000VRated current100A50A25A20A15A10A5A3.5A