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ET Instrumente AC tápegységek

1-Phase AC Sources EAQ


for the complete line simulation of all technical networks from DC - 2000 Hz

 EAQ 2018

On one Hand Simulation on the other Analysis

• CV- and CC-Mode !
• AC Voltage 0..300 Vrms (500V)
• DC Voltage 0..425 Vdc (700V)
• Frequency DC, 1 - 500 Hz (2000 Hz)
• Phase-triggered-switch on-and off
• External Oscillator input
• USB, Option RS 232- and Ethernet Interface
• Measurement Vrms V, Crms A, Cpeak A,
  Power W, Frequency Hz 

Technique pure

The highly precise electronic AC source meets all your demands. The simulation of all technical lines as well as the measurement of the line characteristics is its strength. The high efficiency of the electronic AC source. EAQ-M lies in the convincing technical data and the easy handling. Besides the CV- and CC-modes, there is power up to 1000VA, voltages up to 500 VAC and frequencies up to 2000Hz available.The electronic AC sources of the series EAQ have been developed for the simulation and analysis of one- phase line voltage. In standard sine wave voltage as well as DC voltage and DC voltage with superposed AC-voltage can be produced. Because of this extensive function outfit, these models can produce all possible technical networks. They fit very well for supplying and testing power supplies, transformers, motors, lamps, heaters, domestic appliances etc., just to name a few. For the measurement of the effective voltage, the frequency, the effective current, the peak current as well as for the power, there is a LCD display. The manual operation is performed through a potentiometer. DC voltage, AC voltage, frequency and current can be regulated.
The new LCD-Display offers the total overview of all adjustments and measurements. Continuously the adjusted values of AC-Voltage, DC-Voltage, Current, Frequency and Phase-Angle for switching the output on and off, are displayed. In the range of the measurements the true RMS value of the Voltage, the true RMS value of the Current, the Peak-Current, the Real Power, the Apparent Power and the Power Factor are continuously displayed and refreshed. Not only the new display makes the AC-Source easier to operate, also the new operation features make it real simple to use the AC-Source Type EAQ. By pressing a button the fixed frequency can beselected between 50, 60 and 400 Hz and also variable frequency is available. To change between standard sine wave output and user curve it is only a button to press. The last adjustments before switching the unit off at the main switch will be saved and are available by pressing the button POL (PowerOnLast) after switching the unit on again. The output voltage, the DC-Voltage, the Current, the Frequency and the Phase Angle is adjusted on a potentiometer. To switch the potentiometer between the different parameters it just has to be pressed. 
From now on the Electronic AC -Source comes with Arbitrary Function. By simply switching via interface a change between sine wave and variable user curve is possible. The user memory can be set with up to 1024 dots for the user curve. Now very easy voltage spikes, drop outs, often in reality existing cut off crest voltage and much more can be simulated. The wave form is transferred via the USB or optional available RS232- or Ethernet Interface and then selected by sending a command or pressing a button. With this feature the electronic AC-Source can also be used as an arbitrary function generator with high power and high voltage of up to 425 V.

Params 64 Unit Types Electronic AC Sources EAQ

Short specification EAQ

Short specification Options EAQ


Note 64 Unit Description Electronic AC Source EAQ

LCD Displays :
The new LCD-Display offers the total overview of all adjustments and measurements. Continuously the adjusted values of AC-Voltage, DC-Voltage, Current, Frequency and Phase-Angle for switching the output on and off, are displayed. In the range of the measurements the true RMS value of the Voltage, the true RMS value of the Current, the Peak-Current, the Real Power, the Apparent Power and the Power Factor are continuously displayed and refreshed. 

Settings : 
The adjustments of voltage Vdc, voltage Vac, current limitation A and frequency follow respectively through a potentiometer.

Source Activation :
After switching on the unit, the power output is inactive and  disconnected through a relay. Only after pressing the key  “ON-OFF" the power output will be activated and the relay at the output operates. Now the previously set value for voltage or current will be effective at the power output.

Stand-By-Function :
The electronic AC source can be switched on and off by the key “Stand-By". This key  is mainly used at the phase-triggered switching on and off of the AC output voltage. By pressing the key “Stand By" the power output of the previously set phase position will be activated or inactivated.

Operating Modes : 
The source operates in constant-voltage as well as in constant-current mode. The LCD display indicates the constant-current mode. 

Fixed Frequencies :
Three keys enable the precise adjustment of three fixed frequencies, 50 Hz, 60 Hz and 400 Hz. All other possible frequencies can be set by the potentiometer.

Ext. Oscillator Input :
Via the external oscillator input, which is on the back of the unit, a signal with an individual wave form can be performed. The source operates as a pure power amplifer in this mode. The frequency of the signal is limited by the maximum frequency of the amplifier (depending on option).

Protective Devices :
The source has got a number of protective measures to ensure intrinsic safety. In case of  short circuit, overcurrent, overtemperature and overvoltage the source switches off. The switching off in case of an error is 
indicated in the LCD display.

AC/DC Voltage :
When AC and DC-output voltage are switched on simultaneously, AC and DC voltage are coupled and a DC voltage with superposed AC voltage is available at the power output. 

Phase Trigger Mode :
The switch on and switch off angle of the phase at the output can be adjusted in a range of 0° - 360°. The switch on of the phase triggered mode is performed by the stand by function. The angle is adjusted by a potentiometer.

Peak Current :
The measurement of the starting peak current of the connected application is also possible. The indication of the value on the amperemeter is activated by a key. The measurement is now simply activated by switching on and off of the “Stand By” key.

Interfaces  :
USB Standard, as an option the interfaces Ethernet and RS232 are available.

Desk Top Case :
For sources up to case size 6U there is a robust well-designed desk top case available.

Power Outlets :
The output of the source is always on the backside of the unit and is carried out as screw terminal. The types without option -ENC do have an additional output on the front panel. Depending on the type and performance the output is carried out as plug outlet or CEKON.

Show product specification and descriptionico_pdf

 

 

1 and 3-Phase AC Sources EAQ-MT


Motordriven AC sources

 

EAQ MT 2708

The economical solution at high power

• CV Mode
• AC Voltage 0...270 Vrms (500 V)
• Performances up to 100000 VA !
• Fast Response Times typ. 100V/Sek.
• Adjustable Overcurrent Switching-off
• USB, RS 232, Analogue and Ethernet Interface (Option)
• Measurements Vrms V, Crms A
• Switching-on and off via relay (Option)- Konstant



The AC sources of the series EAQ-MT have been developed for the simulation and analysis of one or three phase line voltage particularly for high power. The output voltage is infinitely variable between 1 and 100% of the nominal voltage and is being kept constant with a deviation of < 1%. The preset reference input can be reached with the potentiometer as well as via the optional interfaces. In 3 phase units the regulation is controlled by phase L1. The structure of the AC source EAQ-MT consists of a regulated ring transformer with isolation. The regulated ring transformer is operated through a DC motor. The set voltage is being kept constant at deviations of the line input voltage as well as at load variations at the output.

 

Params 64 Unit Types AC Sources EAQ-MT
 

 Short specification EAQ MT

 

Short specification Options EAQ MT

 

 

Note 64 Unit Description AC Source EAQ-MT

Analogue Indication :
The AC source EAQ-MT has got two and the three phases source six analogue instruments for the indication of voltage and current in each phase. Optionally the source can be equipped with digital indications.

Adjustments :
The adjustments of the voltage Vac will follow through a 10-turn potentiometer.

Fuse Protection :
The source has got an input and output safety fuse. Optionally the source may be equipped with an automatic circuit breaker at the output. A manual adjustable overcurrent switching-off is also available. The switching-off can be reached through a power relay.

Analogue Interface :
The optionally available analogue interface enables the user the programming and the reading of data via a 0...5 Vdc signal. Changing and checking modes are possible via digital TTL signals.

Interface :
Optionally the AC voltage source EAQ-MT may be equipped with the interfaces Ethernet and/or USB,Ethernet and/or RS 232. All adjustments and measurements may be carried out with the interfaces. The resolution of the programming when setting and measuring is 12 bit.

Power outputs :
The output of the source is always on the backside of the unit. It is carried out as screw terminal. The types without option -AF have got an additional output on the front panel. Depending on the type and performance, the output is carried out as plug outlet contact or CEKON connector.

 

Show product specification and descriptionico_pdf





Szűrők:
  • Sávszélesség
  • Memória
  • Mintasebesség
  • Csatornaszám
  • Logikai bemenet
  • Függvénygenerátor kimenet
  • Spektrumanalizátor bemenet

Gyártó
Rendezés
Termék / oldal
A képek csak illusztrációk


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