MTP Series High Power Switching DC Power SupplyPower range:
200KWVoltage range: 0 ~ 1000VCurrent range: 0 ~ 200.0A1300*2100*800
industrial cabinet.Precise voltage and current setting and
measurement capabilitiesLine voltage drop remote sensing &
compensation function.OVP, OCP, OTP and short circuit protections
etc.CE certified OverviewMTP 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 diagram FeaturesIsolated 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.With LCD
touch screen for convenient operation, intuitive displays &
indications.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 modeThree - phase, three - wire
+ GNDVoltage380V±10%Frequency50Hz/60Hz±5HzOutputRated
power200kWOutput voltage adjusting range0V ~ 1000VOutput current
adjusting range0A ~ 200.0AOutput 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≤20ms (measured @ 10%-90% resistive
loading)Efficiency≥88% (measured @ 80%-100% resistive
loading)Working abilityWithstand long-term continual
working.Setting & DisplayControl modeLocalFront panel LCD touch
screen.RemoteRS485 communication interface.In line with MODBUS-RTU
standard.Display modeTouch screen display items as below:Real-time
working state display (fault state, running state, stop state,
emergency stop state)Working mode display (CV / CC)Output voltage /
current display.Power supply system and fault information
queriable.Set & Display errorVoltage0.5%FSCurrent0.5%FSDisplay
resolutionVoltageFour-digit display with a minimum resolution of
1VCurrentFour-digit display with a minimum resolution of
0.1AAutomatic voltage compensation≤15VOver-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 functionsInput protectionInput
lack voltage and lack phase protection.Output 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≤75dBProtection 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)1300*2100*800FunctionsWorking 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 reg
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