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Overview
MTP series 4KW ~ 8KW DC power supplies are built in 19-inch 4U standard rack-mounted chassis, adopting three-phase four-wire 380Vac input, output voltage covers 30Vdc to 1000Vdc, based on iDeal-Electronics’ full-bridge phase-shift soft switching AC/DC power process topology, drive logic circuit with reliable two-stage conversion mechanism and fast control loop, 4~8KW series DC power supplies are featured for high precision, high stability, low ripple and high switching response speed output characteristic.
The MTP series high-power DC power supplies adopt digital control loop. The DC power supplies’ output setting and control are realized through the buttons on the front panel of the power supplies. The high-precision 4-1/2-digit meters can provide accurate and intuitive high-resolution DC output data display for measurement purpose.
The full series of MTP high-power DC power supplies are equipped with RS485 interface as standard, following the MODBUS-RTU international communication protocol, which can realize remote control and operating status monitoring of the power supplies.
Coupled with the standard constant voltage overload function of this series of DC power supplies, it can perfectly match stepper motors or brushless motor tests, battery charging tests, and other power electronic applications that require high-power DC output.
Features
Isolated 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.
Principle Introduction
This series of High-power AC - DC power supplies are equipped with a reliable two-stage conversion mechanism drive logic circuit and a fast control loop optimized by iDealTek-Electronics. Which balances the requirements of low output ripple and fast DC output response speed, making this series of High-power switching power supplies can provide high-precision, low ripple, high-stability and High-power DC output with fast response speed feature of the switching power supply. All MTP series DC power supplies are equipped with a short-term 2 times rated current overload capacity (Except for some high-current output models) to cope with the inductive and mixed load's demand for high-current output at the moment of starting.
Key technology introduction
Air duct design
Full-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 separately
The 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 design
The 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 component
The key and important core devices are all internationally renowned brands, and high-quality devices to ensure the stability and reliability of product operation.
Featured functions
CV / OC with 2 times overload ability (except for models with ≥ 500A)
The power supply has two working modes: CV / CC mode and CV / OC mode, customers can select different working modes according to actual use requirements.
(1)CV / CC mode
Under 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.
(2)CV / OC mode
Under 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 load
100% ~ 125% rated current value withstand 600s continuous working
125% ~ 150% rated current value withstand 60s continuous working
150% ~ 200% rated current value withstand 5s continuous working
Power supply automatic protected and stops output when Max. Over-current time exceeded.
OVP & OCP value setting function
OVP 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 function
The power supply has an automatic line voltage drop compensation detection terminal (comsense). Connect the terminals to the load ends. The power supply will automatically detect the voltage value of the load ends and automatically compensate for the line voltage drop caused by the power line. At the same time, it can be customized to detect whether the battery terminals are connected reversely to realize the anti-reverse protection function for battery charging.
Fast self-discharge function
The power supply has built-in discharging circuit, which can quickly release the electrical energy in the output capacitor after the power supply stops outputting, so as to prevent personal injury caused by accidently touching the output terminal right after the power supply stops.
Short-circuit protection
The power supply can adapt to two kinds of short-circuit conditions as below:
If the power supply has short-circuited 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.
Specifications | ||||
Input | Connection mode | Three – phase, four – wire + GND | ||
Voltage | 380V±10% | |||
Frequency | 50Hz/60Hz±5Hz | |||
Output | Rated power | * kW | ||
Output voltage adjusting range | 0V ~ ****V | |||
Output current adjusting range | 0A ~ ***A | |||
Output voltage precision | 0.5%FS | |||
Output current precision | 0.5%FS | |||
Line regulation | ≤0.2%FS | |||
Load regulation | ≤0.2%FS | |||
Temperature drift | 0.04%FS/℃ | |||
Time drift | 0.3%FS | |||
Ripple (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 ability | Withstand long-term continual working. | |||
Setting & Display | Control mode | Local | Front panel button control | |
Remote | RS485 communication interface. In line with MODBUS-RTU standard. | |||
Display mode | LED digital display | |||
Set & Display error | Voltage | 0.5%FS | ||
Current | 0.5%FS | |||
Display resolution | Voltage | Four-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) | ||||
Current | Four-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 ability | Iout≤1.25 Ie, output shutdown after 600s. Iout≤1.5Ie, output shutdown after 60s. Iout≤2Ie, output shutdown after 5s Iout>2Ie, output shutdown immediately. | |||
Protection & Monitoring functions | 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 protection | Power supply automatically cuts off output and alarms when the output has short-circuit. | |||
Automatic voltage compensation protection | Output over compensation protection / compensation line reverse-connected protection | |||
Noise | ≤60dB | |||
Protection degree | IP20 | |||
Cooling method | Forced air cooling | |||
Safety features | Insulation resistance | ≥20MΩ | ||
Withstand voltage ability | 60s test @ 2000VDC, no flash-over or spark-over. | |||
Grounding inductance resistance | ≤100mΩ | |||
Working conditions | Ambient temperature | 0℃～45℃ | ||
Humidity | 10%～90%(non-condensing) | |||
Height | ≤2000m | |||
Size (W*H*D) (mm) | 500*178*550 (19’’ 4U standard chassis) | |||
Optional functions
Analog 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)
Standard model list | ||||||||
MTP-0030-0200T | MTP-0060-0100T | MTP-0120-0050T | MTP-0150-0040T | MTP-0200-0030T | MTP-0300-0020T | MTP-0600-0010T | MTP-1000-0006T | |
6KW | ||||||||
30.00V | 60.0V | 120.0V | 150.0V | 200.0V | 300.0V | 600.0V | 1000V | |
200.0A | 100.0A | 50.00A | 40.00A | 30.00A | 20.00A | 10.00A | 6.00A | |
Installation environment
Ambient temperature: Please have the power source working in safe temperature range (0℃ ~ 45℃) 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.
Overview
MTP series 4KW ~ 8KW DC power supplies are built in 19-inch 4U standard rack-mounted chassis, adopting three-phase four-wire 380Vac input, output voltage covers 30Vdc to 1000Vdc, based on iDeal-Electronics’ full-bridge phase-shift soft switching AC/DC power process topology, drive logic circuit with reliable two-stage conversion mechanism and fast control loop, 4~8KW series DC power supplies are featured for high precision, high stability, low ripple and high switching response speed output characteristic.
The MTP series high-power DC power supplies adopt digital control loop. The DC power supplies’ output setting and control are realized through the buttons on the front panel of the power supplies. The high-precision 4-1/2-digit meters can provide accurate and intuitive high-resolution DC output data display for measurement purpose.
The full series of MTP high-power DC power supplies are equipped with RS485 interface as standard, following the MODBUS-RTU international communication protocol, which can realize remote control and operating status monitoring of the power supplies.
Coupled with the standard constant voltage overload function of this series of DC power supplies, it can perfectly match stepper motors or brushless motor tests, battery charging tests, and other power electronic applications that require high-power DC output.
Features
Isolated 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.
Principle Introduction
This series of High-power AC - DC power supplies are equipped with a reliable two-stage conversion mechanism drive logic circuit and a fast control loop optimized by iDealTek-Electronics. Which balances the requirements of low output ripple and fast DC output response speed, making this series of High-power switching power supplies can provide high-precision, low ripple, high-stability and High-power DC output with fast response speed feature of the switching power supply. All MTP series DC power supplies are equipped with a short-term 2 times rated current overload capacity (Except for some high-current output models) to cope with the inductive and mixed load's demand for high-current output at the moment of starting.
Key technology introduction
Air duct design
Full-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 separately
The 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 design
The 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 component
The key and important core devices are all internationally renowned brands, and high-quality devices to ensure the stability and reliability of product operation.
Featured functions
CV / OC with 2 times overload ability (except for models with ≥ 500A)
The power supply has two working modes: CV / CC mode and CV / OC mode, customers can select different working modes according to actual use requirements.
(1)CV / CC mode
Under 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.
(2)CV / OC mode
Under 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 load
100% ~ 125% rated current value withstand 600s continuous working
125% ~ 150% rated current value withstand 60s continuous working
150% ~ 200% rated current value withstand 5s continuous working
Power supply automatic protected and stops output when Max. Over-current time exceeded.
OVP & OCP value setting function
OVP 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 function
The power supply has an automatic line voltage drop compensation detection terminal (comsense). Connect the terminals to the load ends. The power supply will automatically detect the voltage value of the load ends and automatically compensate for the line voltage drop caused by the power line. At the same time, it can be customized to detect whether the battery terminals are connected reversely to realize the anti-reverse protection function for battery charging.
Fast self-discharge function
The power supply has built-in discharging circuit, which can quickly release the electrical energy in the output capacitor after the power supply stops outputting, so as to prevent personal injury caused by accidently touching the output terminal right after the power supply stops.
Short-circuit protection
The power supply can adapt to two kinds of short-circuit conditions as below:
If the power supply has short-circuited 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.
Specifications | ||||
Input | Connection mode | Three – phase, four – wire + GND | ||
Voltage | 380V±10% | |||
Frequency | 50Hz/60Hz±5Hz | |||
Output | Rated power | * kW | ||
Output voltage adjusting range | 0V ~ ****V | |||
Output current adjusting range | 0A ~ ***A | |||
Output voltage precision | 0.5%FS | |||
Output current precision | 0.5%FS | |||
Line regulation | ≤0.2%FS | |||
Load regulation | ≤0.2%FS | |||
Temperature drift | 0.04%FS/℃ | |||
Time drift | 0.3%FS | |||
Ripple (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 ability | Withstand long-term continual working. | |||
Setting & Display | Control mode | Local | Front panel button control | |
Remote | RS485 communication interface. In line with MODBUS-RTU standard. | |||
Display mode | LED digital display | |||
Set & Display error | Voltage | 0.5%FS | ||
Current | 0.5%FS | |||
Display resolution | Voltage | Four-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) | ||||
Current | Four-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 ability | Iout≤1.25 Ie, output shutdown after 600s. Iout≤1.5Ie, output shutdown after 60s. Iout≤2Ie, output shutdown after 5s Iout>2Ie, output shutdown immediately. | |||
Protection & Monitoring functions | 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 protection | Power supply automatically cuts off output and alarms when the output has short-circuit. | |||
Automatic voltage compensation protection | Output over compensation protection / compensation line reverse-connected protection | |||
Noise | ≤60dB | |||
Protection degree | IP20 | |||
Cooling method | Forced air cooling | |||
Safety features | Insulation resistance | ≥20MΩ | ||
Withstand voltage ability | 60s test @ 2000VDC, no flash-over or spark-over. | |||
Grounding inductance resistance | ≤100mΩ | |||
Working conditions | Ambient temperature | 0℃～45℃ | ||
Humidity | 10%～90%(non-condensing) | |||
Height | ≤2000m | |||
Size (W*H*D) (mm) | 500*178*550 (19’’ 4U standard chassis) | |||
Optional functions
Analog 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)
Standard model list | ||||||||
MTP-0030-0200T | MTP-0060-0100T | MTP-0120-0050T | MTP-0150-0040T | MTP-0200-0030T | MTP-0300-0020T | MTP-0600-0010T | MTP-1000-0006T | |
6KW | ||||||||
30.00V | 60.0V | 120.0V | 150.0V | 200.0V | 300.0V | 600.0V | 1000V | |
200.0A | 100.0A | 50.00A | 40.00A | 30.00A | 20.00A | 10.00A | 6.00A | |
Installation environment
Ambient temperature: Please have the power source working in safe temperature range (0℃ ~ 45℃) 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.
