Distributed Power System
SD3000/SF3000
Parallel Gate Amplifier System
Instruction Manual
S-3045-2
Throughout this manual, the following notes are used to alert you to safety considerations:
ATTENTION:Identifies information about practices or circumstances that can lead to personal
injury or death, property damage, or economic loss.
!
Important: Identifies information that is critical for successful application and understanding of the product.
ATTENTION:Only qualified electrical personnel familiar with the construction and operation of
this equipment and the hazards involved should install, adjust, operate, or service this equipment.
!
Read and understand this manual and other applicable manuals in their entirety before
proceeding. Failure to observe this precaution could result in severe bodily inury or loss of life.
ATTENTION:The user must provide an external, hardwired emergency stop circuit outside of the
drive circuitry. This circuit must disable the system in case of improper operation. Uncontrolled
machine operation may result if this procedure is not followed. Failure to observe this precaution
could result in bodily injury.
ATTENTION:Inserting or removing a module or its connecting cables may result in unexpected
machine motion. Turn off power to the rack before inserting or removing a module or its connecting
cables.
A TTENTION:The user is responsible for conforming with all applicable local, national, and
international codes.
ATTENTION:The modules in the Parallel Gate Amplifier rack contain static-sensitive components.
Do not touch the modules’ circuit boards or the connectors on the backs of the modules. When
not in the rack, modules should be stored in anti-static bags.
The information in this user’s manual is subject to change without notice.
Table 5.1 – Input Power Connections.......................................................................5-7
Table 5.2 – Connection Sequence for Cable Assemblies 612436 and 612567........5-9
V
Parallel Gate Amplifier
VI
Parallel Gate Amplifier
CHAPTER 1
Introduction
The Parallel Gate Amplifier (PGA) system is used to amplify and distribute the gate
pulse signals produced by the AutoMax™ Distributed Power System's DC Power
Technology module. It can be used with multiple Reliance Power Modules or with
certain other vendor Power Modules. Please contact Reliance regarding the suitability
of other vendor Power Modules for use with the PGA system.
The system is comprised of three major components: the PGA Rack/Backplane, the
Power Supply module, and the PGA modules.
The Power Supply and PGA modules reside in a modular rack of either four slots or
eight slots. The four-slot rack holds the Power Supply and one or two PGA modules
(figure 1.1). The eight-slot rack holds the Power Supply and one to six PGA modules
(figure 1.2). Two channels (A and B) are provided for gate signals on the rack's
backplane. Channel A is used for forward gate signals and channel B for reverse gate
signals.
To connect to the two channels, two types of PGA modules are used. The Output-A
PGA module is used to access the signals from channel A. The Output-B PGA module
is used to access the signals from channel B. The two types of modules are not
interchangeable, but may be combined in the rack as needed to meet the
requirements of the application.
The amplified PGA output signals drive the gate coupling circuits in the DC Power
Modules. Each PGA module can simultaneously drive four six-thyristor power bridges
in one direction, either forward or reverse. With the maximum of six PGA modules
used in the system, a total of 24 power bridges (6 x 4) can be driven.
The PGA's standard DC bus voltage is +28 VDC, but the PGA module is capable of
handling DC bus voltages up to +100 VDC, if required by the application. Voltages
greater than the standard +28 VDC must be provided by an externally mounted power
supply, as described in chapter 3.
The available PGA configurations are listed in table 1.1. A two card PGA parallel
motoring and regenerating system example is shown in figure 1.3.
Introduction
1-1
1.1Standard Features
The PGA system has the following features:
• Connects to DPS DC Power Technology module
• Capable of driving up to 24 six-thyristor power bridges in parallel (144 gate coupling
circuits)
• Overcurrent protection provided by PCB fuses
• Overtemperature detection by NC faceplate contacts on Power Supply module
• Optical isolation of gate signals from biasing networks and firing circuits
• Physical isolation of gate signals from Power Supply and other circuitry
• Externally mounted 100 VDC power supply option
• UR/CUR Recognized
1.2Related Har dw are and Software
The following related DPS components are available separately:
• AutoMax Universal Drive Controller
• Power Module Interface rack and modules
• Fiber-Optic Cables
• AutoMax Programming Executive software
1-2
Parallel Gate Amplifier
Table 1.1 – Parallel Gate Amplifier System Configurations
Reliance Part No.Description
805401-7R4-Slot PGA Rack, w/Fan, Power Supply, Output-A
805401-7S4-Slot PGA Rack, w/Fan, Power Suppl y, Output-A/A
805401-7T4-Slot PG A Rac k, w/Fan, Power Suppl y, Output-A/B
805401-9AX8-Slot PGA Rack, w/Fan, Power Supply, Output-A
805401-9BX8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A
805401-9CX8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A
805401-9DX8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A/A
805401-9EX8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A/A/A
805401-9FX8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A/A/A/A
805401-9AA8-Slot PGA Rack, w/Fan, Power Supply, Output-A/B
805401-9BA8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/B
805401-9CA8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A/B
805401-9DA8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A/A/B
805401-9EA8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A/A/A/B
805401-9AB8-Slot PGA Rack, w/Fan, Power Supply, Output-A/B/B
805401-9BB8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/B/B
805401-9CB8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A/B/B
805401-9DB8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A/A/B/B
805401-9AC8-Slot PGA Rack, w/Fan, Power Supply, Output-A/B/B/B
805401-9BC8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/B/B/B
805401-9CC8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/A/B/B/B
805401-9AD8-Slot PGA Rack, w/Fan, Power Supply, Output-A/B/B/B
805401-9BD8-Slot PGA Rack, w/Fan, Power Supply, Output-A/A/B/B/B/B
805401-9AE8-Slot PGA Rack, w/Fan, Power Supply, Output-A/B/B/B/B/B
Introduction
1-3
1.3Related Publications
This manual provides a description of each component of the Parallel Gate Amplifier
system as well as installation guidelines. Note that this instruction manual does not
describe specific applications of the standard hardware.
Additional information about using the Parallel Gate Amplifier as part of an AutoMax
Distributed Power System is found in the instruction manuals, prints, and other
documents shipped with each drive system. Always consult the prints shipped with the
drive system for specific mounting and connecting information about your drive.
The other instruction manuals located in binder S-3000, Distributed Power System DC
Drive, are listed in table 1.2. It is assumed that the user is familiar with these other
manuals in S-3000 before using the PGA system.