(Ref. 128077-001 REV. V)
Standard: 180-264Vac, 50/60Hz, three phase, 90% efficiency, 0.85 power factor
Optional: 360-528Vac 50/60Hz, three phase (400Vac)
Standard: 180-264Vac, three phase; 50 amps, maximum
Optional: 360-528Vac, three phase; 25 amps, maximum
20 models from 1kV to 225kV. Each model is available with positive or negative outputs. 1kV to 10kV units are internally reversible.
Local Output Controls:
Voltage and current are continuously adjustable over entire range via ten-turn potentiometers with lockable counting dials.
Load: 0.05% of full voltage +500mV for full load change.
Line: 0.05%of full voltage +500mV over specified input range.
Load: 0.05% of full current ±100µA for any voltage change.
Line: 0.05% of full current over specified input range.
0.3% p-p +1Vrms. Lower ripple available via special order
0.02%hr. after 1 hour warm-up.
100ppm/°C. Higher stability (50ppm/°C) available on special order via the HS option
Operating: 0°C to 40°C
Storage: -40°C to 85°C
Humidity: 10% to 90% RH, non-condensing.
Forced air; inlet through side panels, outlet at rear panel
Digital voltage and current meters, accurate to within 1%
System Status Display:
“Dead Front” type indicators provide status of up to 12 system operations including voltage and current regulation, fault conditions and circuit control.
Ethernet and RS-232 digital interface implemented with 12 bits of resolution. A VB GUI is provided.
Input Line Connector:
A 6 foot (1.8 meter) long captive line cord is provided.
Analog Interface Connector:
50 pin female D connector
High Voltage Output Cable:
1-150kV: A detachable 10’ (3.05m) long shielded HV cable is provided
225kV: R-28 type X-Ray connector. No output cable is provided
10.5˝ (6U)H X 19˝ W X 21˝ D (266mm x 482mm x 533mm)
150kV: 10.5˝ (6U)H X 19˝ W X 23˝ D (266mm x 482mm x 584mm)
225kV: 20.55˝ H X 17.01˝ W X 29.7˝ D (521mm x 432mm x 754mm)
1kV to 50kV: <100 pounds (45.36kg)
60kV to 120kV: <140 pounds (63.50kg)
150kV: <150 pounds (68.03kg)
225kV: <260 pounds (117.9kg)
Individual kV models may vary
Compliant to EEC EMC Directive. Compliant to EEC Low Voltage Directive. RoHS Compliant.
The ST features a standard RS-232 and Ethernet digital interface. Utilizing these standard digital interfaces can dramatically simplify power supply interfacing requirements saving the user both time and money, while enhancing functionality and overall capability. Spellman provides a GUI with the ST that allows the customer to both customize operational features of the ST while also providing basic power supply operational features. Details of the ST’s digital interface capability are described in detail in the ST manual, downloadable via the link on the first page of this data sheet.
Main control screen
User configuration screen
The ST series is designed to offer additional power capability by adding a chassis in parallel to create a main/secondary configuration providing up to and beyond 100kW’s. The main chassis is the point of connection for customer interfacing; this multichassis system effectively functions as a single power supply. The main unit retains the full featured front panel, while secondary units have a Blank Front Panel. To configure an orderable model number, simply use Spellman’s applicable base ST model number and increment the power denominator in 12kW steps as required:
This would be an ST with a 60kV, positive polarity, providing 24kW’s of power (2 chassis)
Rear panel showing connections for parallel operation:
Rear panel showing connections for parallel operation
Main/secondary 24kW ST
Spellman’s ST power supplies have an arc intervention feature that senses arc currents via a fast acting current sense transformer. The purpose of the arc intervention circuitry is to prevent power supply damage from continuous, long term arcing. The factory default configuration will trip off the unit with an Arc Fault if 4 arcs occur in a 10 second time period. Customers can change basic arc intervention parameters (Arc Count, Arc Quench, Reramp Time, and Window Time) within preset limits via the digital interface; customized units can be provided for unique arc prone environments, contact Spellman for details.
HARDWARE BASED OPTIONS
BFP - Blank Front Panel
HS - High Stability
LL(X) - High Voltage Cable Length
400VAC - 360-528Vac Input
SOFTWARE CONFIGURABLE FEATURES
Adjustable Overload Trip
Arc Trip Count
Arc Quench Time
Arc Re-Ramp Time
Constant Power Control
Adjustable Power Trip
Slow Start Ramp Times
Electronic Component (Power Source)
ST series is intended for installation as a component of a system. It is designed to meet CE standards, with conditions of acceptance often being: customer provided enclosure mounting, EMC filtering, and appropriate protection, and isolation devices. The ST series is not intended to be operated by end users as a stand-alone device. The ST series power supply can only be fully assessed when installed within a system, and as a component part within that system.