Serie XR

Fuente de Alimentación CC Programable

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Qty (4) XR Series 10 kW units mounted in a 12U CAB1

Key Facts

136 models
2U rack-mount
2 kW, 4 kW, 6 kW, 8 kW, 10 kW power levels
Models from 5 Vdc to 10000 Vdc output voltage
Models from 0.2 Adc to 600 Adc output current
SCPI Remote Programming API
High Accuracy Measurements
Programmable Protection Limits
NI LabVIEW™ and IVI Driver

Build-Time: 16-20 Weeks

Datasheet | User Manual

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Models up to 10,000 Vdc, up to 600 Adc, with Current-Fed Topology and Flexible Options

Unparalleled 2U Programmable Power Supply Voltage-Current Range

The XR Series was designed from the ground up for high reliability and industry leading 2U (3.5” height) rack-mount programmable power levels, at: 2 kW, 4 kW, 6 kW, 8 kW, and 10 kW. The XR Series features the largest voltage range in Magna-Power's product offering, from 5 Vdc to 10,000 Vdc, all utilizing the company's signature current-fed power processing to deliver robust power conversion. In addition, high accuracy programming and monitoring levels allow confidence in power supply measurements, eliminating the need for external power meters.

Current-Fed Topology: Robust Power Conversion

All MagnaDC programmable DC power supplies utilize high-frequency IGBT-based power processing in current-fed topology. This topology adds an additional stage over the conventional voltage-fed topology for enhanced control and system protection, ensuring that even under a fault condition, the power supply will self-protect. Due to the self-protecting characteristics of this topology, the possibility of fast rising current spikes and magnetic core saturation is eliminated.

In addition to its robust topology, key performance characteristics of MagnaDC programmable DC power supplies include:

High-accuracy voltage and current programming accuracy
Class-leading line and load regulation performance
High 3Φ AC input power factor with in-rush limiting circuitry
Computer and user I/O isolated from the power supply output

For more details, read: Current-Fed Power Processing—Ride Through Robustness

Designed and Manufactured in the USA, Available Worldwide

For complete control of quality, MagnaDC programmable DC power supplies are designed and manufactured at Magna-Power's vertically integrated USA manufacturing facility in Flemington, New Jersey. Heat-sinks and chassis are machined from aluminum. All sheet metal is fabricated and powder coated in-house. Magnetics are wound-to-order from validated designs based on a model's voltage and current. An automated surface-mount production line places components on printed circuit boards for control, driver, auxiliary power, and display circuits. And finally after assembly, products undergo comprehensive test and calibration, followed by an extended burn-in period.

For more details: Tour Our Manufacturing Operations.

Standard Safety Features

MagnaDC programmable DC power supplies have extensive diagnostic functions, including:

AC Phase Loss
Excessive Thermal Conditions
Over Voltage Trip (Programmable)
Over Current Trip (Programmable)
Cleared Fuse
Excessive Program Line Voltage
Interlock Fault

When in standby or diagnostic fault, the AC mains are mechanically disconnected by an embedded AC contactor, providing confidence that the unit is only processing power when desired.

Finally, with a dedicated +5V interlock input pin and included +5V reference on all models, external emergency stop systems can be easily integrated using an external contact.

High Performance Master-Slave Operation

All MagnaDC programmable DC power supplies come with master-slaving capability.

The MagnaDC master-slaving strategy helps to ensures no degradation in performance as units are added in parallel or series by providing gate drive signals directly from the master to the slave units. This strategy ensures one control loop for the system and eliminates the noise susceptibility commonly found when sending analog control references over long distances.

The Universal Interface Device 47 (UID47) accessory eases master-slave parallel or series configuration of Magna-Power DC power supplies, enabling near equal current or voltage sharing, depending on the configuration.

Master-slave series operation is supported to combined voltages up to the product's DC Output Isolation specification. No external blocking diodes are requires for series operation.

Included Software and Drivers

All MagnaDC programmable DC power supplies come standard with National Instruments LabVIEW and IVI drivers. In addition, the support SCPI command set provides an easy to use API using ASCII commands over any interface.

In addition to being able to develop your own software, Magna-Power's Remote Interface Software is also included with all power supplies. The software provides the user with an easy and intuitive method to operate a Magna-Power Electronics power supply with computer control. The Remote Interface Software has six different windows, including:

Virtual Control Panel. Use a virtual front panel on the desktop to remote control the power supply from a computer.
Command Panel. Explore all the available commands, along with logs of what string the software is sending to the power supply; used for developing your own software.
Register Panel. Quickly get the status of all the power supply registers from one screen.
Calibration Panel. Recalibrate internal digital potentiometers.
Firmware Panel. Upgrade the power supply's firmware.
Modulation Panel. Emulate non-linear profiles, such as solar arrays, pseudo-resistance for N+1 redundancy without wires, or automatic compensation for leadless remote sensing.

The included Remote Interface software supports RS232, LXI TCP/IP Ethernet, and IEEE-488, along with the USB and RS485 converters.

External User I/O for Analog Control

Using the rear isolated 37-pin I/O connector, included as standard, the MagnaDC programmable power supplies can be completely controlled and monitored using external signals. The voltage, current, over voltage and over current set points are set by applying a 0-10V analog signal. Each diagnostic condition is given a designated pin, which reads +5V when high. Reference +5V and +10V signals are provided, eliminating the need for external voltage signals and allowing the use of dry contacts.

Also, the power supply features a normally closed external interlock, which when enabled, allows the power supply to be tied in with other emergency stop equipment. All these pins are isolated from the output terminals and referenced to earth-ground as standard—no additional isolation equipment or options necessary.

The following list summarizes the available I/O from the power supply:

4 analog inputs (0-10V)
2 analog outputs (0-10V)
5 digital inputs (5V)
15 digital outputs (5V)
+2.5V, +5V and +10V reference signals

With the High Slew Rate Output (+HS) option equipped, high bandwidth operation is enabled along with fast rise times, allowing the MagnaDC programmable DC power supplies to address requirements for Hardware-in-the-Loop (HIL).

Front Panel - Standard

Front Panel - C Version

POWER: Indicates power output
STANDBY: Indicates control power only

Function Keys
MENU: Selects function
ITEM: Selects item within function
V/I DIS: Displays voltage-current settings
TRIP DIS: Displays OVT and OCT setting
CLEAR: Clears settings or resets fault
ENTER: Select item

Meters display output voltage, output current, voltage set point, current set point, over voltage trip and over current trip

Power switch energizes control circuits without engaging main power

Engages and disengages main power via integrated mechanical contactor

Stepless rotary knob to set voltage-current

Diagnostic Alarms
LOC: Interlock
PGL: External input voltage beyond limits
PHL: Under-voltage AC input
THL: Over-temperature condition
OVT: Over-voltage protection has tripped
OCT: Over-current protection has tripped

REM SEN: Remote sense enabled
INT CTL: Front panel start/stop/clear enabled
EXT CTL: External start/stop/clear enabled
ROTARY: Front panel rotary knob input
EXT PGM: External analog voltage-current control
REMOTE: Computer control

Model Ordering Guide

For both ordering and production, XR Series models are uniquely defined by several key characteristics, as defined by the following diagram:

XR Series Models

There are 136 different models in the XR Series spanning power levels: 2 kW, 4 kW, 6 kW, 8 kW, 10 kW. To determine the appropriate model:

Select the desired Max Voltage (Vdc) from the left-most column.
Select the desired Max Current (Adc) from the same row that contains your desired Max Voltage.
Construct your model number according to the model ordering guide.

	2 kW	4 kW	6 kW	8 kW	10 kW
Max Voltage (Vdc)	Max Current (Adc)					Ripple (mVrms)	Efficiency
5	375	600	N/A	N/A	N/A	50	80%
10	200	375	600	N/A	N/A	50	84%
16	125	250	375	500	600	50	84%
20	100	200	300	375	500	45	87%
25	80	160	240	320	400	45	88%
32	62	124	186	250	310	40	88%
40	50	100	150	200	250	40	88%
50	40	80	120	160	200	50	90%
60	33	66	100	133	166	60	91%
80	25	50	75	100	125	60	91%
100	20	40	60	80	100	60	91%
125	16	32	48	64	80	100	91%
160	12	24	36	50	60	120	91%
200	10	20	30	40	50	125	92%
250	8	16	24	32	40	130	92%
300	6.6	13.2	19.8	26.4	33.3	160	92%
375	5.3	10.6	15.9	21.3	26.5	170	92%
400	5	10	15	20	25	180	92%
500	4	8	12	16	20	220	93%
600	3.3	6.6	9.9	13.3	16.5	250	93%
800	2.5	5	7.5	10	12.5	300	93%
1000	2	4	6	8	10	350	93%
1250	1.6	3.2	4.8	6.4	8	375	93%
1500	1.3	2.6	4.0	5.3	6.6	400	93%
2000	1	2	3	4	5	450	93%
3000	0.6	1.3	2	2.6	3.3	Contact	93%
4000	0.5	1	1.5	2	N/A	6500	93%
6000	0.33	0.66	1	1.33	N/A	7500	93%
8000	0.25	0.5	0.75	1	N/A	8500	93%
10000	0.2	0.4	0.6	0.8	N/A	9500	93%

AC Input Voltage (Vac)	Input Current Per Phase (Aac)
208/240 Vac, 1Φ	17	N/A	N/A	N/A	N/A
208/240 Vac, 3Φ	8	15	22	29	35
380/415 Vac, 3Φ	5	9	12	16	19
440/480 Vac, 3Φ	4	8	11	14	17

Specifications

The following specifications are subject to change without notice. Unless otherwise noted, all specifications measured at the product's maximum ratings.

AC Input Specifications
Specification	Value
1Φ AC Input Voltage 1Φ, 2-wire + ground, Available on 2 kW models only	208 Vac (operating range 187 - 229 Vac) 240 Vac (operating range 216 - 264 Vac)
3Φ AC Input Voltage 3Φ, 3-wire + ground; Available on all models	208 Vac (operating range 187 to 229 Vac) 240 Vac (operating range 216 to 264 Vac) 380 Vac (operating range 342 to 440 Vac) 415 Vac (operating range 373 to 456 Vac) 440 Vac (operating range 396 to 484 Vac) 480 Vac (operating range 432 to 528 Vac)
Input Frequency	50 Hz to 400 Hz
Power Factor	>0.92 at max power; models with 3Φ AC input 0.70 at max power; models with 1Φ AC input
AC Input Isolation	±2500 Vdc, maximum input voltage to ground

DC Output Specifications
Specification	Value
Voltage Ripple	Model specific. Refer to chart of available models.
Line Regulation	Voltage mode: ± 0.004% of full scale Current mode: ± 0.02% of full scale
Load Regulation	Voltage mode: ± 0.01% of full scale Current mode: ± 0.04% of full scale
Load Transient Response	2 ms to recover within ±1% of regulated output with a 50% to 100% or 100% to 50% step load change
Stability	± 0.10% for 8 hrs. after 30 min. warm-up
Efficiency	80% to 93% Model specific. Refer to chart of available models.
Maximum Slew Rate Standard Models	100 ms for an output voltage change from 0 to 63% 100 ms for an output current change from 0 to 63%
Maximum Slew Rate Models with High Slew Rate Output (+HS) Option	4 ms for an output voltage change from 0 to 63% 8 ms for an output current change from 0 to 63%
Bandwidth Standard Models	3 Hz with remote analog voltage programming 2 Hz with remote analog current programming
Bandwidth Models with High Slew Rate Output (+HS) Option	60 Hz with remote analog voltage programming 45 Hz with remote analog current programming
DC Output Isolation Models Rated ≤1000 Vdc	±1000 Vdc, maximum output voltage to ground
DC Output Isolation Models Rated >1000 Vdc and ≤3000 Vdc	±(1500 Vdc + Vo/2), max output voltage to ground, where Vo is the max rated voltage
DC Output Isolation Models Rated >3000 Vdc	No output isolation, specify positive or negative output polarity at time of order

Programming Interface Specifications
Specification	Value
Front Panel Programming	Stepless aluminum rotary knobs and keypad
Computer Interface	RS232, D-sub DB-9, female (Standard) LXI TCP/IP Ethernet RJ45 (Option +LXI) IEEE-488 GPIB (Option +GPIB)
External User I/O Port Analog and Digital Programming	37-pin D-sub DB-37, female Referenced to Earth ground; isolated from power supply output See User Manual for pin layout
Remote Sense Limits (Wired) Available for models ≤ 1000 Vdc	3% maximum voltage drop from output to load

Accuracy Specifications
Specification	Value
Voltage Programming Accuracy	± 0.075% of max rated voltage
Over Voltage Trip Programming Accuracy	± 0.075% of max rated voltage
Current Programming Accuracy	± 0.075% of max rated current
Over Current Trip Programming Accuracy	± 0.075% of max rated current
Voltage Readback Accuracy	± 0.2% of max rated voltage
Current Readback Accuracy	± 0.2% of max rated current

External User I/O Specifications
Specification	Value
Analog Programming and Monitoring Levels	0-10 Vdc
Analog Output Impedances	Voltage output monitoring: 100 Ω Current output monitoring: 100 Ω +10V reference: 1 Ω
Digital Programming and Monitoring Limits	Input: 0 to 5 Vdc, 10 kΩ input impedance Output: 0 to 5 Vdc, 5 mA drive capacity

Physical Specifications
Specification	Value
Racking Standard	EIA-310
Rear Support Rails	Included
Size and Weight 2 kW Models	2U 3.50" H x 19" W x 24" D (8.89 x 48.26 x 60.96 cm) 45 lbs (20.41 kg)
Size and Weight 4 kW Models	2U 3.50" H x 19" W x 24" D (8.89 x 48.26 x 60.96 cm) 47 lbs (21.32 kg)
Size and Weight 6 kW Models	2U 3.50" H x 19" W x 24" D (8.89 x 48.26 x 60.96 cm) 48 lbs (21.77 kg)
Size and Weight 8 kW Models	2U 3.50" H x 19" W x 24" D (8.89 x 48.26 x 60.96 cm) 48 lbs (21.77 kg)
Size and Weight 10 kW Models	2U 3.50" H x 19" W x 24" D (8.89 x 48.26 x 60.96 cm) 48 lbs (21.77 kg)

Environmental Specifications
Specification	Value
Ambient Operating Temperature	-25°C to 50°C
Storage Temperature	-25°C to +85°C
Humidity	Relative humidity up to 95% non-condensing
Temperature Coefficient	0.04%/°C of maximum output voltage 0.06%/°C of maximum output current
Air Flow	Side air inlet, rear exhaust

Regulatory Specifications
Specification	Value
EMC	Complies with 2014/30/EU (EMC Directive) CISPR 22 / EN 55022 Class A
Safety	Complies with EN61010-1 and 2014/35/EU (Low Voltage Directive)
CE Mark	Yes
RoHS Compliant	Yes

Dimensional Diagrams

The following are vectorized diagrams for the XR Series. Refer to the Downloads section for downloadable drawings.

Front Panel

Rear Panel

Side Panel

Communications Interface

LXI TCP/IP Ethernet Option (+LXI)

Communications Interface

IEEE-488 GPIB Option (+GPIB)

Standard Output Bus

Models ≤1000 Vdc

High Voltage Output Bus

Models >1000 Vdc and ≤3000 Vdc

Very High Voltage Output Bus

Models >3000 Vdc

Very High Voltage Output Cable

Included, Models Above 3000 Vdc

Integrated Options

The following are the standard integrated options available for the XR Series. Refer to the Model Ordering Guide for details on how the option code is specified in the full model number.

+HS