Description
- Generator excitation panel is a vital power equipment. It is applied in generator excitation systems to control excitation current and voltage. Featuring fast response, high precision and stable performance, it is widely used in various generator sets and holds great practical value.
Exciter Panel Product Features
- Adopts standard embedded structure
- Three-phase fully-controlled bridge configuration
- Adaptive regulation mode
- Dual-bridge or multi-bridge design available for high power models
- Current sharing coefficient of multi-bridge exceeds 0.95
- Intuitive display mode, touch screen optional
- Powerful pulse driving capability
- Comprehensive self-check function
- Automatic reset function
- Complete test functions
- Full-range limiting and protection functions
- Superior control performance
- Stable dual power supply design
- Supports RS-485 and Ethernet communication
- Digital input and output design
- Dual excitation regulator control, capable of dual Ethernet network construction
Synchronous Motor Excitation Panel – Main Technical Parameters
- Analog input channels: 13 channels
- Analog input resolution: 2^16
- Digital input: 16 channels
- Digital output: 32 channels
- Auto/manual adjustment range: 10%~130% rated value
- Excitation build-up: Overshoot ＜10% rated value, build-up time ＜2.5s, oscillation times ＜3
- Reactive power droop: ±15% software adjustment
- Voltage regulation accuracy: ≤±0.5%
- Thyristor phase shift range: 5°~165°
- Thyristor firing angle resolution: 1/4096
- Supports manual and automatic synchronous grid connection
- Continuous operation permissible under 110% rated excitation current
- Terminal voltage variation ≤0.25% with 1% unit frequency fluctuation
- Excitation forcing current ≥1.8 times rated value for over 20s when terminal voltage drops to 80% rating
- Excitation system response time: Rise time ＜0.08s, fall time ＜0.15s
- Voltage response ratio: ≥2 per second
- Automatic regulator precision: ＜0.2% rated voltage
- Residual voltage excitation as default, activates at 2% rated residual voltage; separate automatic excitation without manual operation when residual voltage absent, excitation capacity 1kVA, no overshoot and oscillation
- Terminal voltage overshoot ≤10% rating, oscillation times ≤3, regulation time ≤5s after sudden full active and reactive load rejection
- Excitation PT broken line detection, automatic switching and alarm signal output
- Rotor overvoltage protection with alarm signal
- Cooling fan failure protection with alarm signal
- Rectifier bridge fault protection with alarm signal
- Under-excitation limiting function
- Ceiling excitation limiting and inverse time excitation forcing protection
- Remote and local control available
- Regulation accuracy better than 0.5% rated voltage
- Communication with host computer via RS-485 or Ethernet
- Switch signal interface supported
Excitation Control Panel – Main Functions
- Maximum excitation current inverse time limit and forced excitation inverse time limit
- Rotor overvoltage protection
- Power System Stabilizer (PSS) function
- Under-excitation limit and loss-of-excitation protection
- Software phase shift and voltage droop adjustment
- Automatic tracking of system voltage or set voltage
- Generator PT broken line monitoring and automatic switching protection
- Protection against fan stop, thyristor fault and partial circuit cut-off
- Rectifier bridge fault protection
- Online parameter modification and real-time parameter display
- Real-time data waveform recording
- Device self-diagnosis and automatic recovery
- Multiple regulation modes: constant voltage, constant current, constant reactive power, constant power factor
- Software self-check and fault tolerance function
- Adaptive variable structure & variable parameter parallel PID control algorithm
- Remote and local control
- Communication with host computer via RS-485 or Ethernet
- Switch signal interface support
Order Instructions
- Model of synchronous generator, rated current & voltage of main unit, rated excitation current & voltage, CT and PT ratio of main unit;
- Hardware configuration and control function requirements for excitation panel;
- Cabinet type and surface color requirements of excitation device;
- Other special requirements shall be confirmed through negotiation.
FAQ
1. What is excitation panel for synchronous motor?
It is core control equipment to regulate excitation current and voltage of synchronous motor, ensuring stable motor operation.
2. What is the difference between exciter panel and excitation control panel?
Both serve excitation regulation. Excitation control panel integrates complete control, protection and communication functions with stronger comprehensive performance.
3. What application scenarios does motor exciter panel apply to?
Widely used in industrial synchronous motor sets, power station supporting equipment and industrial power drive systems.
4. Is excitation panel for generator compatible with motor excitation equipment?
Not universal. Parameter setting and protection logic differ between generator and motor, customized selection is required.
5. What core functions do these excitation panels possess?
Support voltage adjustment, overvoltage/underexcitation protection, stable current output and remote monitoring control.
6. How to choose proper excitation panel model?
Confirm rated voltage, current and equipment type, then match panel specifications and functional demands.
Reviews
There are no reviews yet.