26-11-2012, 06:27 PM
ELECTRONIC BALLAST SYSTEM
[attachment=41258]
Control Features
- Fully integrate lamp control with the curing
process
- Continuously variable lamp intensity from
10% to 100%
- Rapid lamp starts:as little as 10 seconds
- PC/PLC/POT control compatible
- Multiple ballast status indicators
- Operates mercury, gallium or halide lamps
Packaging Benefits
- Drop in power supply, pre-wired
- Broad power range:100 to
100,000 watts
- More efficient than magnetic ballasts
- Save energy, reduce heat build up
- Less maintenance:no high voltage
caps or relays
- Multiple input and output voltage
options
What is the Electronic Ballast Systems?
TAS UV Curing'new Electronic Ballast System (EBS) is a variable intensity power
supply and control system for powering UV lamps. This revolutionary new technology
has been granted two patents, with three more pending. The EBS was developed
to solve the problems associated with conventional magnetic ballasts. As a result,
it is now possible to fully integrate control of the UV lamp with curing system.
High Reliability
The EBS replaces high-voltage capacitor
banks and mercury-filled relays with a
highly reliable electronic control.
Reliability of the EBS measured four times
better than a magnetic ballast with relays
and capacitor banks, based on military
reliability prediction methods.
Continuously Variable Lamp Power
Power to the lamp is continuously
variable over a range of 10% to 100%
instead of two or three steps. Power is
precisely controlled with a
potentiometer, 0-5V, 0-10V, or 4-20mA
control signal. The control input
easily interfaces to a computer or
programmable controller.
How does the Electronic Ballast System work?
The Electronic Ballast System (EBS)
consists of a power transformer,
an SCR module, and a control
circuit board mounted on a
common base (see back cover).
A block diagram of the system
is shown at the right. The main
element of the ballast is the
power transformer. It scales
the input voltage on the primary
side to the appropriate lamp
voltage on the secondary side.
The power transformer also
contains a built-in leakage
inductance to help stabilize lamp
impedance and limit current.
Power to the lamp is controlled
by a technique known as phaseangle
modulation. With this method, the SCR
module blocks portions of the line input
voltage, while allowing other portions to pass.
The ratio of passing to blocking determines
how much power gets to the lamp. The
control circuit measures the actual lamp
current, compares it to the setpoint, and
drives the SCRs with the proper phase angle.
[attachment=41258]
Control Features
- Fully integrate lamp control with the curing
process
- Continuously variable lamp intensity from
10% to 100%
- Rapid lamp starts:as little as 10 seconds
- PC/PLC/POT control compatible
- Multiple ballast status indicators
- Operates mercury, gallium or halide lamps
Packaging Benefits
- Drop in power supply, pre-wired
- Broad power range:100 to
100,000 watts
- More efficient than magnetic ballasts
- Save energy, reduce heat build up
- Less maintenance:no high voltage
caps or relays
- Multiple input and output voltage
options
What is the Electronic Ballast Systems?
TAS UV Curing'new Electronic Ballast System (EBS) is a variable intensity power
supply and control system for powering UV lamps. This revolutionary new technology
has been granted two patents, with three more pending. The EBS was developed
to solve the problems associated with conventional magnetic ballasts. As a result,
it is now possible to fully integrate control of the UV lamp with curing system.
High Reliability
The EBS replaces high-voltage capacitor
banks and mercury-filled relays with a
highly reliable electronic control.
Reliability of the EBS measured four times
better than a magnetic ballast with relays
and capacitor banks, based on military
reliability prediction methods.
Continuously Variable Lamp Power
Power to the lamp is continuously
variable over a range of 10% to 100%
instead of two or three steps. Power is
precisely controlled with a
potentiometer, 0-5V, 0-10V, or 4-20mA
control signal. The control input
easily interfaces to a computer or
programmable controller.
How does the Electronic Ballast System work?
The Electronic Ballast System (EBS)
consists of a power transformer,
an SCR module, and a control
circuit board mounted on a
common base (see back cover).
A block diagram of the system
is shown at the right. The main
element of the ballast is the
power transformer. It scales
the input voltage on the primary
side to the appropriate lamp
voltage on the secondary side.
The power transformer also
contains a built-in leakage
inductance to help stabilize lamp
impedance and limit current.
Power to the lamp is controlled
by a technique known as phaseangle
modulation. With this method, the SCR
module blocks portions of the line input
voltage, while allowing other portions to pass.
The ratio of passing to blocking determines
how much power gets to the lamp. The
control circuit measures the actual lamp
current, compares it to the setpoint, and
drives the SCRs with the proper phase angle.