1. full-digital SCR triggering pulse
2.effectively reduces the time delay
3.improves the speed of respons
Applicable to various generators set from 5MW to 150MW
Excitation system for synchronous generators
Excitation system for steam turbine generator set
Excitation system for hydraulic turbine generator set
Excitation system for gas turbine generator set
Self-parallel excitation system
New and transformed generator set suitable for various excitation modes
External static excitation system
Compound excitation system
DC exciter excitation system
AC exciter excitation system
Brushless excitation system
Basic configuration
Imported 32-bit PCC programmable industrial control computer
With color LCD screen of industrial-strength giant screen, user-friendly human-machine interface, and debugging experts for Chinese graphics.
PSS - parameter adaptive power system stabilizer
Network and communication interface for various standards (RS232, RS422, RS485, CanBus, etc.)
Functions and features
The core hardware uses program-controlled computer imported from B&R company of Austria, which has, in addition to all of the functions of PLC, functions of high-speed counting, ms-level triggering signal, CAN interface, etc.
Giving full play to the functions of software and hardware of PCC and realizing the fine static and dynamic index of excitation devices.
PCC enables directly AC and DC sampling, reducing the number of intermediate links and improving the precision of measurement for regulators.
PCC directly creates full-digital SCR triggering pulse, effectively reduces the time delay and improves the speed of response.
Totally-enclosed European style computer case, SMT surface-mount technology, and hot swapping technology
Optional control laws: LOEC, PlD+PSS, PID control, etc.
Multi-functional expert management system with functions of debugging, testing and fault recording
On-line parameter changing and straightforward ladder-diagram programming language
Unique functions of synchronous circuit protection and synchronous breaker protection
European style pinhole connectors with great impact resistance and vibration resistance
Performance index
Accuracy of adjustment is superior to 0.2%.
Range of difference adjustment: -15%~+15%, linear setting
Range of automatic voltage adjustment: 10%~115%
Range of manual voltage adjustment: 10%~130%
Dynamic adjustment: overshoot≤15%, number of oscillations≤2, adjustment duration≤3s
10% of step extra modulation quantity≤20% of step quantity,number of oscillations≤2, adjustment duration≤3s
Voltage response ratio≥2/S
A/D conversion resolution: 2-12, 16 routes
Forced excitation ceiling voltage ratio≥2.0, forced excitation duration≥50s
External dimension (L×W×H)
800mm×800mm×2260mm
Microcomputer-based excitation control system PEC-2000 Regulation cabinet
Applicable environment
Altitude: less than 4500 meters
Ambient temperature: -10~45°C
Relative humidity 5-95%, no condensation.
No explosive medium or combustion medium in the environment, and no gas and electricity-conducting dust that can erode metals and ruin insulation in the air.
No violent vibration, hard impact or jolt
Instruction on order
Please confirm the size of the screen of human-machine interface
Please provide the color disc of the outer covering of cabinet
Please let us know at the order if other sizes are chosen for the cabinet
Applicable to various generators set from 150 to 700MW
Excitation system for synchronous generators
Excitation system for steam turbine generator set
Excitation system for hydraulic turbine generator set
Excitation system for gas turbine generator set
New and transformed generator set suitable for various excitation modes
Self-parallel excitation system
External static excitation system
Compound excitation system
DC exciter excitation system
AC exciter excitation system
Brushless excitation system
