Product information "SH Series High Voltage AC/DC Power Supplies"
Input Voltage 187-228 VAC 3-Phase; Max. Output Voltage 1-100 kVDC; Max. Power 8,000, 16,000 W; Efficiency 85%; Voltage Regulation <0.005%-<0.025%; Current Regulation <0.2%, <0.5%
XP Glassman’s SH Series are sophisticated 8 or 16 kW high voltage AC/DC power supplies with low ripple and noise. They are air insulated, fast response, 10U rack-mount units with tight regulation and extremely low arc discharge currents. A broad range of models is available with output voltage ranges from 0 to 1 kVDC through 0 to 100 kVDC. SH power supplies can be paralleled up to 40 kW output power, utilizing one master control module and up to four slave modules.
The SH Series features “air” as the primary dielectric medium. No oil or encapsulation is used to impede serviceability or increase weight. Internal circuitry constantly senses and integrates arcs that occur over a given time. In the event a system or load arcing problem develops and exceeds factory-set parameters, the power supply will cycle off in an attempt to clear the fault and then automatically restart after a preset “off dwell time”. The SH Series’ high voltage output is inhibited for a short period after each load arc to quickly extinguish the arc.
Typically, ripple is less than 0.025% RMS of rated voltage at full load. Off-the-line pulse-width modulation (PWM) provides high efficiency and a reduced parts count for improved reliability. The SH Series’ front panel contains all local control functions like AC power on/off, separate 10-turn controls to set voltage and current levels, HV voltage on and off/reset switches as well as LED indicators for high voltage on, output polarity, interlock, fault status or voltage/current regulating mode. Output levels are indicated by voltage and current digital meters.
All voltage and current programming and monitoring signals are coupled to the user interface by true differential amplifiers. This provides for the ability to return the program and monitor commons to ground or system common at the source. This arrangement isolates the return wires and eliminates errors due to unwanted return currents flowing in these connections.
The SH Series’ standard operation mode is constant voltage/current. Automatic crossover from constant-voltage to constant-current regulation provides protection against overloads, arcs and short circuits. A rear panel switch allows selection of either constant-current or current-trip operation. Thermostats and fan RPM sensing shut down the power supply due to over-temperature or reduced fan speeds.
Standard accessories for the SH Series include a remote interface mating connector, all chassis interconnection cables and a detachable 2,4 m shielded high voltage coaxial output cable. Models 16 kW and above are provided with an additional HV cable per slave module.
The SH Series supplies are fully compliant with the following European harmonized EMI directives:
EN61010/ IEC61010, Safety
EN61000-6-4, Conducted and Radiated Emissions
EN61000-6-2:2005, Conducted and Radiated Immunity
2011/65/EU, Restriction of the Use of Hazardous Substances (RoHS)
10U Rack Mount
Maximum Output Power: 8, 16 kW – Parallelable to 40 kW
Maximum Output Voltage: 1 to 100 kVDC
Maximum Output Current: 80 mA to 16.0 A
Low Ripple: <0.05% of Rated Voltage + 1 V RMS at Full Load
Voltage Regulation: <±0.005% for Specified Line and 0.01% + 10 mV/mA for Specified Load Variations, 0.025% for 80 to 100 kVDC Models
Current Regulation: <0.2% (8 to 150 kV), <0.5% (1 to 6 kV) From Short Circuit to Rated Voltage at Any Load Condition
Constant Voltage/Constant Current Operation
Arc Quench & Arc Count
Front Panel, Remote, RS232, USB & Optional Ethernet Control
Input Voltage: 187 to 228 VAC RMS, 48 to 63 Hz, Three Phase
Efficiency: 85% Typical at Full Load
Output Voltage Accuracy: 0.5% of Setting + 0.2% of Rated
Output Voltage Repeatability: <0.1% of Setting
Stored Energy: 8 to 80 J
Voltage Monitor: 0 to +10 VDC Signal for 0 to Rated Voltage
Current Monitor: 0 to +10 VDC Signal for 0 to Rated Current
Stability: 0.01%/h After 0.5 h Warm-up, 0.05% per 8 h
Polarity: Positive, Negative or Reversible Polarity With Respect to Chassis Ground
Protection: Against All Overload Conditions, Including Arcs and Short Circuits
Signals Provided on the Remote Interface Connector: Differential Voltage & Current Program/Monitor, HV Enable/Status, Safety Interlock, Fault Status, +10 V Reference, I/V Mode Status
Options: Zero Start Interlock, Slow Start Ramp, 0 to 5 V Voltage & Current Program/Monitor, Blank Front Panel, Arc Count and Quench, Control and Monitor via RS232, USB, Ethernet
3 Year Warranty
Approvals: IEC61010-1:2010; EN61000-6-4:2007, Class A EN61000-6-2:2005
Operating Temperature: -20 to +40 °C
Dimensions: 442.9 x 482.6 x 609.6 mm
Applications: High Voltage, High Power Applications; Photonics; Healthcare (Analytical, Diagnostics, Detectors); Industrial; Semiconductor Manufacturing; Research; Other
High Voltage AC/DC Power Supplies
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