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E-481 PICA Piezo High-Power Amplifier/Controllers
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High-Power Amplifiers 500 to 2000 W
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Item # E-481.00
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Item # E-481.00, E-481 PICA Piezo High-Power Amplifier/Controllers
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2000 W and high efficiency due to energy recovery
Integrated energy recovery
Overheat protection for piezo actuators with temperature sensor
Position control (optional)
Computer interface and display modules
PICA high-performance piezo amplifier
19-inch benchtop device for dynamic continuous operation of PICA piezo actuators with high electrical capacitance. Analog control. Output voltage to 1100 V, bipolar can be set.
Energy saving of up to 80 % due to switched amplifier principle
Switching amplifier with pulse width modulation (PWM) of the piezo output voltage. When the piezo actuator is discharged, a patented circuitry for energy recovery stores part of the returning energy in a capacitor and makes it reusable for the next charging cycle. The amplifier runs cooler and provides better stability.
Fields of application
Industry and research. Active vibration absorber. Adaptive mechanics. Precision mechanics/machining. Optics. Metrology / measuring technology. Interferometry. Adaptive systems technology. Switching applications. Laser tuning. Force generation / material testing. Nanotechnology.
Specifications
Operating Temperature Range
5 to 50 ºC (above 40 ºC, power derated)
Output Voltage
Default: 0 to 1100 V
Can be set: -260 to 780 V, -550 to 550 V, +260 to 780 V, 0 to -1100 V
Input Impedance
100
kO
Average Output Power
Equivalent to 630 VA reactive power
Function
Power amplifier with energy recovery for PICA high-volt piezo actuators with option for P-177.50 temperature sensor and rinse air connection for PICA HVPZT
Voltage Gain
±100
Dimensions
288 × 450 × 158 mm + Handles
Operating Voltage
100 to 120 / 220 to 240 VAC, 50-60 Hz (fuse change required)
Amplifier Channels
1
Max. Output Peak Power (< 5 ms)
2000
V·A
Average Output Current
>600
mA
Peak Current (< 5 ms)
2000
mA
Small-Signal Amplifier Bandwidth
1 kHz (3.4 µF)
5 kHz (660 nF)
Large-Signal Amplifier Bandwidth
1.4 kHz (660 nF)
350 Hz (3.4 µF)
Residual Ripple Noise (0 to 100 kHz)
150
mVrms
<2000
mVpp
100
nF
Current Limitation
Short-Circuit Proof
Input Voltage Range
With servo: 0 to 10 V
Without servo: ±1/100 of selected output voltage range
Piezo Connection
LEMO EGG.0B.701.CJL1173
Analog Input
BNC socket
DC-Offset Setting
10-turn potentiometer, adds 0 to 10 V to the input voltage
Temperature Sensor
LEMO socket, automatic deactivation of high voltage at max. 85 ºC
Mass
8.6
kg
Output Voltage (Bipolar)
0 to ± 1100
V
Note
Ask about custom designs
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E-481 PICA Piezo High-Power Amplifier/Controllers - 2
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