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Lx Series
Power Systems
3-18 kVA Programmable
AC Power Source / Analyzer
Integrated System
The Lx Series represents a modern AC power source that addresses increasing demands
on test equipment to perform more functions at a lower cost. By combining a flexible AC
Backward Compatible power source with a harmonic power analyzer, the Lx Series systems are capable of handling
CompatiblewithHP6834B&iLSeries applications that would traditionally have required multiple instruments.
ACSourcesFunction&buscompatible The sleek integrated approach of the Lx Series avoids the cable clutter that is commonly
withtheAgilentHP6834B&California found in AC test setups. All connections are made internally and the need for external digital
InstrumentsiLSeries multimeters, power harmonics analyzer and current shunts is completely eliminated.
Three phase and Single phase modes Using a state of the art Digital Signal Processor in conjunction with precision A/D converters,
Ideallysuitedforavionicsanddefense the Lx Series provides measurement accuracy and resolution similar to dedicated power
applications analyzers. Since many components in the Lx Series are shared between the AC source and
the power analyzer, the total cost of the integrated system is less than the typical cost of a
3 KVA to 18 KVA Power Levels multiple unit system.
Matchpowersourceandcostto
applicationrequirements Easy To Use Controls
Arbitrary Waveform Generator The Lx Series is completely microprocessor controlled and can be operated from a simple
Testproductsforharmonics front panel keypad. An analog style control knob allows output voltage and frequency to be
susceptibility slewed up or down dynamically. The control employs a dynamic rate change algorithm that
Built-in Power Analyzer combines the benefits of precise control over small parameter changes with quick sweeps
through the entire range. A decimal keypad makes direct parameter entries fast and simple.
Performsvoltageandloadcurrent
harmonicanalysisandwaveform
Applications
acquisition
With precise output regulation and accuracy, high load drive current, multi or single phase
Standard IEEE-488, USB & RS232 mode and built-in power analyzer measurement capabilities, Lx Series AC source/analyzers
RemotecontrolinterfaceforATE address many application areas for AC power testing. Additional features, like line arbitrary
systemintegrationincluded waveform generation and available RTCA/DO160, MIL-STD704, Airbus or Boeing test
standards, make the Lx Series a good choice for avionics or defense applications. All Lx
Series AC sources are equipped with IEEE-488 (GPIB), USB and RS232C remote control
interfaces and support SCPI command language programming. An ethernet interface
option is available.
HP6834B and CI iL Series Compatibility
The Lx Series offers functional and bus compatibility with the Agilent HP6834B AC power
sources as well as the CI iL Series AC power sources and may be used in existing test systems
without the need to modify program code.
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Lx Series - AC Transient Generation
Standard Waveforms
The Lx Series provides three standard waveforms that are always available for output.
The standard waveforms are:
· Sinewave for normal AC applications.
· Squarewave for special applications.
· Clipped Sinewave - Simulates THD levels to test for harmonic distortion suscep-
tibility.
In addition to these standard waveforms, user defined waveforms can be downloaded
over the bus.
Harmonic Waveform Generation
Harmonicwaveform,Fund.,3rd,5th,7thand9th. Using the latest DSP (Digital Signal Processing) technology, the Lx Series controller is
capable of generating harmonic waveforms to test for harmonics susceptibility of a unit
under test. With the help of the supplied Windows Graphical User Interface program,
defining harmonic waveforms is as easy as specifying the relative amplitude and phase
angle for each of up to 50 harmonics. The waveform data points are generated and
downloaded by the GUI to the AC source through one of the available interfaces and
remain in non-volatile memory. Up to twelve waveforms can be stored and given a
user defined name for easy recall.
Arbitrary Waveform Generation
Using the provided GUI program or custom software, the user also has the ability to
define arbitrary waveform data. Complex AC voltage anomalies can be simulated this
way. The GUI program provides a catalog of custom waveforms and also allows real-
world waveforms captured on a digital oscilloscope to be downloaded to one of the
AC source's waveform memories.
SimulationofsevereringingontheoutputofaUPS. Downloaded waveforms are retained in non-volatile memory for recall over the bus or
from the front panel. User defined waveform names make it easy to recall the desired
waveform when needed.
Lx Series - Configuration Options
Transient Programming
To simulate common line disturbance occurrences, the Lx Series offers a list of transient
steps. These steps can be programmed from the front panel or downloaded over the
interface using the GUI program supplied. The GUI allows libraries of commonly used
line disturbances to be created on disk for quick recall. Once downloaded, the transient
program can be executed from the PC or from the front panel.
AC transient generation allows the effect of rapid changes in voltage, frequency and
waveform shape on the unit under test to be analyzed. The combination of transients
and user defined arbitrary waveforms creates a powerful test platform for AC powered
products.
Voltagesweeptransientcausesoutputvoltageto
changeataprogrammedrate.
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Lx Series - Measurement and Analysis
The Lx Series measurement system is based on real-time digitization of the voltage and current waveforms using a 4K sample buffer. The digitized
waveform data is processed by a Digital Signal Processor to extract conventional load values such as rms voltage, rms current, real and apparent
power. The same data is also used to perform Fast Fourrier Transformation (FFT) to extract the harmonic amplitude and phase angle of up to 50
harmonics.
Standard Measurements
The following standard measurements are available from the front panel or via the bus:
· Frequency and Phase
· Voltage (rms)
· Current(rms) and Peak Current
· Crest Factor
· Neutral Current (rms)
· Real Power and Apparent Power
· Power Factor
Advanced Measurement Functions
In addition to standard load parameters, the Lx Series is capable of measuring voltage and
current amplitude and phase harmonics up to the 50th harmonic (for fundamental frequencies
up to 320 Hz). Total harmonic distortion of both voltage and current is also available.
Standardmeasurementsforallphases. Harmonic analysis data can be displayed on the front panel display or on the PC using the
GUI program. The GUI can also be used to save and print harmonics data in tabular, bar
graph or time domain formats.
The acquired voltage and current time-domain waveforms for each output phase can be
displayed using the GUI program. Waveform displays on the PC include voltage and current
combined, three phase voltage, three phase current and true power. The time-domain data
is also available for transfer to a PC through IEEE-488, USB, RS232C, or Ethernet (option) when
using custom software.
Diagnostics Capability
The AC Source can perform a self test and report any errors. The self test will run until the first
error is encountered and terminate. The response to the self test query command will either
be the first error encountered or 0 if no error was found. (Self test passed).
Windows Graphical User Interface Control Software
A Windows Vista/2000/XPTM compatible Instrument Control Software (ICS) offers a soft front
RelativeCurrentHarmonicsshownintableandchart. panel interface for operation from a PC. The following functions are available:
· Steady state output control (all parameters).
· Create, run, save and print transient programs.
· Generate and save harmonic waveforms.
· Generate and save arbitrary waveforms.
· Download data from a digital storage oscilloscope.
· Measure and log standard measurements.
· Capture and display Voltage and Current waveforms.
· Measure, display, print and log harmonic voltage and current measurements.
Constant power mode chart shown applies to 3000Lx and 4500Lx models only.
Constant Power AC Mode - Available Max. AC Current
SoftfrontpanelcontrolthroughWindowsGUI.
125%
Current
(RMS) 100%
Full
50% Power
20%
10% 50% 80% 100%
Voltage (RMS)
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Lx Series - Measurement and Analysis
Output
Maximum Power per phase: 3000Lx: 1 phase: 3000 VA, 3 phase: 1000 VA; 4500Lx: 1 phase 4500 VA, 3 phase 1500 VA; 6000Lx: 1 phase 5770 VA, 3 phase: 1923 VA
Power factor: 0 to unity at full output VA
Range: V Low V High
Programming Resolution: 100 mV
Voltage Ranges: AC 0-150 V 0-300 V Load Regulation: < 0.1 % FS ALC On or Reg.
See-HVand-EHVoptionsforalternativevoltagerangepairs. Line Regulation: < 0.02 % for 10 % line change
Programming Accuracy Voltage (rms): ± (0.05% + 0.25) V from 5.0 V to FS, ALC On or Reg; Frequency: ± 0.025 %; Phase: ± 1° 45-100 Hz, ± (1° + 1°/kHz)
(25°C ±5°C): 100 Hz-1kHz
Frequency Range: 45 Hz - 1000 Hz (see -HF option for higher output frequencies) (Derated voltage from 17 Hz - 45Hz)
Frequency Resolution: 0.01 Hz at < 81.9 Hz, 0.1 Hz at 82.0 to 819.1 Hz, 1 Hz at > 819 Hz
Phases-> All models Model 3000Lx 3000Lx 4500Lx 4500Lx 6000Lx 6000Lx
<- Full Power, CP mode
V Range: 3ø 1ø 3ø 1ø 3ø 1ø 3ø 1ø
Max RMS Current: V low 12.8 A 38.4 A At Full Scale Voltage -> V Low 6.6 A 20.0 A 10.0 A 30.0 A 12.8 A 38.4 A
V high 6.4 A 19.2 A V High 3.3 A 10.0 A 5.0 A 15.0 A 6.4 A 19.2 A
Note: Constant power mode on 3000Lx and 4500Lx provides increased current at reduced voltage; 6000Lx provides maximum power output.
Current Limit: Programmable from 0 Amps to maximum current for selected range
Peak Current: 3000Lx: 5.7 X (lrms @ full scale voltage); 4500Lx: 3.8 X (lrms @ full scale voltage); 6000Lx: 3 X (lrms @ full scale voltage)
Output Noise (20 kHz to 1 MHz): 100mV rms typ. Harmonic Distortion: < 1% (at full scale voltage, full resistive load)
250mV rms typ. for -HF option Output Relay: Push button controlled and bus controlled output relay
Input
ModeLx 3000Lx, 4500Lx, 9000Lx, 13500Lx: Standard: 208-230 ± 10% VAC, (L-L, 3 Phase); Option -400: 400 ± 10% VAC (L-L, 3 Phase);
Voltage: ModeLx 6000Lx, 12000Lx, 18000Lx: Standard 208-230 + 10% VAC (L-L, 3 Phase)
Notes: 1. Input must be specified when ordering. 2. -400 option not availble on 6000Lx, 12000Lx, 18000Lx. 3. 3000Lx can be operated from 1 phase AC.
Inrush Current @ 180-254 V: 50 A peak
Model 3000Lx 3000Lx (1Phase) 4500Lx 6000Lx (@ 280V)
(Per phase): @ 360-440 V: 83 A peak
Line Current (rms per phase): 187 VLL 19 A 32 A 31 A 38 A
Line Frequency: 47-440 Hz
360 VLL 10 A n/a 16 A n/a
Efficiency: 80% typical Power Factor: 0.7 typical Hold-up Time: At least 10 ms
Measurements
Parameter Frequency Phase Voltage (AC) Current (AC) Crest Factor Real Power Apparent Power Power Factor
Range(s): 45.00-81.91 Hz 0.0° - 359.9° 0-400 V 0-50 A 1.00 - 10.0 0-6 kW 0-6 kVA 0.00-1.00
82.0-819.1 Hz
> 819 Hz
Measurements - Standard Accuracy* (±)
1 ø mode: 0.5° < 100 Hz 0.1% + 0.15A 1.5% 0.15% + 9 W 0.15% + 9 VA 0.03
(ACMeasurements): 3 ø mode:
0.1% + 1 digit
2° > 100 Hz
0.05% + 0.25V
0.1% + 0.05A 1.5% 0.15% + 3 W 0.15% + 3 VA 0.01
Resolution*: 0.01 Hz / 0.1 Hz / 1 Hz 0.1° / 1° 10 mV 1 mA 0.01 1W 1 VA 0.01
* Accuracy specifications are in % of reading + scale error and apply above 100 counts. For multi-chassis configurations, current, power range and accuracy specifi-
cations are times three. CF accuracy applies for Irms > 50 % of max. PF accuracy applies for PF > 0.5 and VA > 50% of max. Frequency measurement specification valid
for output > 20 Vrms.
System
Storage: Setup: 16 complete instrument setups / Transient List: 100 transient steps per list (SCPI mode)
Trigger Input/Output: Input: Triggers measurements or transient steps - SMA connector: 10K pull-up / Output: SMA Connector: HCTTL output
Protection
Overload/Temp/Voltage: Overload: Constant current or constant voltage mode; Over temperature: Automatic Shutdown; Over voltage: Automatic shutdown
Regulatory/RFI Suppresion: IEC1010, EN50081-2, EN50082-2, CE, EMC, and safety mark requirements / RIF Suppression: CISPR 11, Group1, Class A
Note: Specificationsaresubjecttochangewithoutnotice.Specificationsarewarrantedoveranambienttemperaturerangeof25°±5°C.Unlessotherwisenoted,specificationsareperphaseforasinewavewitharesistive
loadandapplyaftera30minutewarm-upperiod.Forthreephaseconfigurations,allspecificationsareforL-N.Phaseanglespecificationsarevalidunderbalancedloadconditionsonly.
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Lx Series - Specifications
Remote Control
IEEE-488 Interface (option): IEEE-488 (GPIB) talker listener. Subset: AH1, C0, DC1, DT1, L3, PP0, RL2, SH1, SR1, T6, IEEE-488.2 SCPI Syntax
USB Interface & Ethernet: Version: USB 1.1; Speed: 460 Kb/s maximum / Ethernet Interface (Optional): specify -LAN option. 10BaseT, 100BaseT, RJ45
Bi-directional serial interface; 9-pin D-shell connector. Handshake: CTS, RTS. Databits: 7 w/ parity, 8 w/o parity. Stopbits: 2. Baud rate: 9600 to
RS232C Interface:
115200. Supplied with RS232C cable / Code and Format: SCPI / Not enabled if LAN option is present.
Physical Dimensions
Dimensions (per chassis): Height: 10.5" (267 mm), Width: 19" (483 mm), Depth: 23.7" (602 mm) (depth includes rear panel connectors)
Weight: Chassis: Net: 193 lbs / 87.7 Kg, Shipping: 280 lbs / 127.3 Kg (for /2 or /3 model configuarations multiply number of chassis).
Vibration and Shock: Designed to meet NSTA project 1A transportation leveLx
Air Intake/Exhaust: Forced air cooling, side air intake, rear exhaust
Temperature: Temperature: Operating: 0 to 35° C, full power / Storage: -40 to +85° C; Diagnostics: Built-in self test available over bus (*TST)
* Three phase AC input and output terminal block with safety cover. * IEEE-488 (GPIB) connector, USB connector, RJ45 connector (with -LAN Op-
Rear Panel Connectors: tion). * 9-pin D-Shell RS232C connector (RS232 DB9 to DB9 cable supplied). * Remote Inhibit (INH) and Discrete Fault Indicator (DFI). * Remote
voltage sense terminal block. * Trigger In1 and Trigger Out1. * System interface connectors. * Auxilary Output (Option -AX)
Harmonic Measurement Specifications
Parameter Frequency Fundamental Harmonics Voltage Current
Range 45-1000 Hz / 45 - 16 kHz Harmonics 2 - 50 Harmonics 2 - 50
Measurements -
Accuracy* (±) 0.1% + 1 digit / 0.1% + 2 digits 0.1% + 0.1% /1 kHz +0.25V 0.1% + 0.1% /1 kHz +0.05A
Harmonics:
Resolution 0.01 Hz / 0.1 Hz 10 mV 10 mA
* Accuracy specifications are in a percent of reading for single unit in 3-phase mode.
Waveforms: Pre defined: Sine, Square, Clipped; User defined: 1024 addressable data points; Storage: 50 user waveforms, non-volatile memory
Data Acquisition: Parameters: Voltage & Current time domain, per phase; Resolution: 4096 data points, 10.4 usec (1ø) or 31.25 usec (3ø) sampling interval
Option -AX Specifications
Provides seperate isolated 26 VAC regulated and 5 Vac unregulated outputs. The 26 V is normally used for servo-synchro excitation, and the 5 V
Option -AX for lamp power. 26 Volt-Accuracy: ± 2%. Current capacity: 3 ARMS. Frequency: 360/440 Hz. Regulation ± 0.05%. 5 Volt-Accuracy: ± 5%. Current
capacity: 5 ARMS
Option -HV Specifications
Voltage Ranges: Low Range: 0-135 Volt; High Range: 0-270 Volt RMS
Max RMS Current at Full 3 Phase: High: 7.4 A, Low 14.8 A; 1 Phase: High: 22.2 A, Low: 44.4 A; Note: Constant power modes on 3000Lx and 4500Lx. Current available at
Power: reduced voltage for 3000Lx, 4500Lx, and max voltage for 6000Lx
Max RMS Current at Full 3000Lx: 3 Phase: High: 3.7 A, Low: 7.4 A; 1 Phase: High 11.1 A, Low: 22.2 A; 4500Lx: 3 Phase: High: 5.6, Low 11.1; 1 Phase: High: 16.7 A, Low: 33.3 A;
Scale Voltage: 6000Lx: 3 Phase: High: 7.4 A, Low 14.8 A; 1 Phase: High: 22.2 A, Low: 44.4 A
Option -EHV Specifications
Voltage Ranges: Low Range: 0-200 Volt; High Range: 0-400 Volt RMS
Max RMS Current at Full 3 Phase: High: 5.0 A, Low 10.0 A; 1 Phase: High: 15.0 A, Low: 30.0 A; Note: Constant power modes on 3000Lx and 4500Lx. Current available at
Power: reduced voltage for 3000Lx, 4500Lx, and max voltage for 6000Lx
Max RMS Current at Full 3000Lx: 3 Phase: High: 2.5 A, Low: 5.0 A; 1 Phase: High 7.5 A, Low: 15.0 A; 4500Lx: 3 Phase: High: 3.8, Low 7.5; 1 Phase: High: 11.3 A, Low: 22.5 A;
Scale Voltage: 6000Lx: 3 Phase: High: 5.0 A, Low 10.0 A; 1 Phase: High: 15.0 A, Low: 30.0 A
Option -HF Specifications
Parameter Frequency Phase Voltage (AC) Current (AC) Crest Factor Real Power Apparent Power Power Factor
Measurements: Range 45.00 - 5000 Hz 0.0°-359.9° 0-400 V 0-50 A 1.00 - 10.0 0-6 kW 0-6kVA 0.00-1.00
< 1000 Hz / > 1000 Hz
F < 1000 Hz: See standard Accuracy* (±) 0.5° < 100Hz 0.5% + 0.15A 1.5% 0.5% + 9 W 0.5% + 9 VA 0.03
0.05% + 0.25V /
Lx Specifications; 1 ø mode 0.1% + 1 digit 2° < 2Khz
0.1 % + 0.1%/kHz + 0.3V
3 ø mode 5° > 2Khz 0.5% + 0.05A 1.5% 0.5% + 3 W 0.5% + 3 VA 0.01
F > 5000 Hz: See table ---> Resolution* 0.01 Hz / 0.1 Hz / 1 Hz 0.1° 10 mV 1 mA 0.01 1W 1 VA 0.01
* Accuracy specifications are in % of reading and apply above 100 counts. For multi-chassis configurations, current, power range and accuracy specifications are times three. CF ac-
curacy applies for Irms > 50 % of max. Power factor accuracy applies for PF > 0.5 and VA > 50% of max. Frequency measurement specification valid for output > 20 Vrms.
Frequency Range: 45 Hz- 5000 Hz (Derated voltage from 17 Hz - 45Hz) Frequency Accuracy: ±0.025%
Output Noise: 250 mVrms typical (20 kHz to 1 MHz)
Note: Specificationsaresubjecttochangewithoutnotice.Specificationsarewarrantedoveranambienttemperaturerangeof25°±5°C.Unlessotherwisenoted,specificationsareperphaseforasinewavewitharesistive
loadandapplyaftera30minutewarm-upperiod.Forthreephaseconfigurations,allspecificationsareforL-N.Phaseanglespecificationsarevalidunderbalancedloadconditionsonly.
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Ordering Information Feature Comparison
Model1 Output No of Output Phases Nom. Input -A350 Airbus ABD0100.1.8.1 tests.
Power MODE Voltage2 Requires use of included
3000Lx 3 kVA 1 and 3 208-230 V LxGui Windows software.
3000Lx-400 3 kVA 1 and 3 208-230 V -B787 Boeing 787 tests. Requires
use of included LxGui Win-
4500Lx 4.5 kVA 1 and 3 208-230 V
dows software.
4500Lx-400 4.5 kVA 1 and 3 400 V -LAN Ethernet Interface.
6000Lx 6 kVA 1 and 3 208-230 V -MB Multi-box. Adds controller
9000Lx/2 9 kVA 1 and 3 208-230 V to auxiliary chassis of multi-
9000Lx/2-400 9 kVA 1 and 3 400 V chassis systems.
-LKM1 Clock and Lock Master
12000Lx/2 12 kVA 1 and 3 208-230 V
-LKS1,2 Clock and Lock Auxiliary
13500Lx/3 13.5 kVA 1 and 3 208-230 V
-LNS2 Line Sync.
13500Lx/3-400 13.5 kVA 1 and 3 400 V
-EXS2 External Sync.
18000Lx/3 18 kVA 1 and 3 208-230 V
Note1:The/2or/3designationindicatesnumberofchassis.
Cabinet Options
Note2:AllinputvoltagespecificationsareforLinetoLinethreephase,deltaorwye.Model3000Lx(208V
input)canbeoperatedon230VL-Nsinglephaseifneeded. -RMS Rackmount Slides. Recom-
mended for rack mount ap-
Ordering Information Keypad Options plications.
Model -RP Ls Series style control C prefix Cabinet System. Installed and
panel w/o numeric key- pre-wired in 19" cabinet.
Refer to table shown for model
pad. See picture below.
numbers and configurations. Option Matrix:
Supplied with Note that some options are mutually ex-
User / Programming Manual on clusive as indicated in the table below. An
CD-ROM, Software and RS232C `o' means the options can be combined. An
serial cable. `x' means they cannot.
Options
Controller Options
Input Options -160 RTCA/DO-160 Rev D,
-400 400 ±10% Volt Line to Line Change 2, EuroCAE-14D ,
AC input. Rev E, Rev F firmware and
[Not available on 6000Lx, software [Section 16, AC
12000Lx and 18000Lx only. Refer to -160 option
Models] data sheet for details]
Output Options -704 Mil-Std 704 rev D and E
-AX1 Auxiliary outputs, 26 test firmware. [AC only, HF LF HV EHV LKM LKS EXS AX
VAC, 5 VAC. Limits upper Refer to -704 option data HF - x o o x x o x
frequency to 800 Hz. sheet for details] LF x - o o o o o o
-EHV1 200/400 V output range. -704F Mil-Std 704 Rev A,B,C,F. HV o o - x o o o o
-HV1 156/312 V output range. [AC Only] EHV o o x - o o o o
-HF1
Extends upper frequency -ABD Airbus Directive 0100.1.8 LKM x o o o - x o o
limit to 5000 Hz. tests. [AC only]. Requires
LKS x o o o x - x o
use of included LxGui
-LF1 Limits output frequency EXS o o o o o x - o
Windows software.
to 500 Hz. AX x o o o o o o -
-AMD Airbus AMD24C tests.
Requires use of included
LxGui Windows software.
Note1:Seeoptionmatrix
Note2:-LKS,-LNSand-EXSaremutuallyexclusiveandwithExtTrigfunction.
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© Copyright 2008, AMETEK Programmable Power. Specifications subject to change without notice Printed in the USA DSLx 09/2008
Telefon (089) 32 15 01 - 0 · Telefax (089) 32 15 01 - 11 · www.compumess.de · www.netzteile.de
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