Description
ABB DSAI303 module
Contact: Mr. Lai
Wechat:17750010683
Whats app：+86 17750010683
Skype：+86 17750010683
QQ: 3221366881
3221366881@qq.com
Operating procedures of excitation regulator
1. System introduction:
This set of device is a UNITROL5000 excitation regulator produced by ABB, which is static excitation. The whole system includes excitation transformer, AVR regulator, silicon controlled rectifier cabinet and excitation switch.
1.1 Excitation transformer: composed of three single-phase transformers, Y/ Δ- 1 wiring, capacity 3 X 2000 KVA. It is equipped with temperature protection device to send out alarm signals.
1.2 AVR regulator: It has two sets of regulators with the same function, each set has three channels, which are automatic channel, manual channel and EGC emergency channel. In addition, LCP control panel, maintenance panel, switch and relay are also provided in this cabinet.
1.2.1 Logic relation: when the A automatic channel fails, switch to the B automatic channel; If this channel fails again, first judge whether channel A is in good condition. If it is in good condition, switch to channel A, and if not, switch to manual channel B; When the B channel fails, it switches to the manual channel of A channel. If the switch fails, it switches to the EGC channel of B channel.
1.2.2 LCP control panel is used for local operation of UNITROL5000 system and display important process signals and fault signals. It has 16 keys with LED for special display and control of the system; The 10 control keys are used for operation mode, built-in functions and LCD. The LCD is displayed in 8 lines with 40 characters each.
Requirements for excitation system
(1) The excitation system shall have high reliability and stability, and shall not be affected by the external power grid.
(2) The excitation current is automatically adjusted according to the load of the main engine to keep the terminal voltage of the generator at the rated voltage and output certain reactive power.
(3) The reaction speed should be fast, that is, it should have good dynamic characteristics.
(4) When the generator suddenly has no load, force demagnetization of the main engine.
(5) When the grid voltage suddenly decreases due to faults, the main machine shall be forced to excite to maintain the grid voltage at a high level.
(6) In case of internal fault of the generator, the field shall be de energized quickly to minimize the fault range.
Main functions of excitation requirements
1. Maintain the generator terminal voltage at the given value. When the generator load changes, the generator terminal voltage is stabilized by adjusting the strength of the magnetic field.
2. Reasonably allocate the reactive power distribution among parallel operating units.
3. Improve the stability of power system, including static stability, transient stability and dynamic stability.
zygo 7714
Foxboro ZCP270
ABB YT204001-DT
ABB XV9738a HEIE450617R
WESDACD20
WESDAC D20ME
GE VMIVME-7807rC
GE VMIVME-7807
GE VMIVME-7750-760000
GE VMIVME-7750
VMIVME7750
GE VMIVME-7700-110000
GE VMIVME-7698
GE VMIVME-7666-111000
VMIVME-7452
VMIVME-5565-110000
VMIVME-4140
GE VMIVME-4116
GE VMIVME-2540-000
VMIVME-2510B
VMIPMC-5565
GE VMICPCI-7806
GE VMIACC-5595-208
GE VMIACC-5595
GE VME-7807RC
GE VME7768-320000
GE VME7740-841
GE VME64SDI-08KRF1-13
VME172PA-652SE
EMERSON VE3008
EMERSON VE3007
V7768-322001
V4550220-0100
ABB USC329AE01
UTV-F2500HA
USIO21
Company advantage service:
1.Has been engaged in industrial control industry for a long time, with a large number of inventories.
2.Industry leading, price advantage, quality assurance
3.Diversified models and products, and all kinds of rare and discontinued products
4.15 days free replacement for quality problems
1.Has been engaged in industrial control industry for a long time, with a large number of inventories.
2.Industry leading, price advantage, quality assurance
3.Diversified models and products, and all kinds of rare and discontinued products
4.15 days free replacement for quality problems
All kinds of module card driver controller servo motor servo motor embedded card wires and cables Power module control module is applicable to steel, hydropower, nuclear power, power generation, glass factory, tire factory, rubber, thermal power, paper making, shipping, navigation, etc
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HIMA — F3 AIO 8/4 01 F3231 F8627X Z7116 F8621A 984862160 F3236 F6217 F7553 DI module, processor module, AI card, pulse encoder
Honeywell — Secure digital output card, program module, analog input card, CPU module, FIM card
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NI — SCXI-1100 PCI – PXIE – PCIE – SBRIO – CFP-AO-210 USB-6525 Information Acquisition Card, PXI Module, Card
Westinghouse — RTD thermal resistance input module, AI/AO/DI/DO module, power module, control module, base module
Woodward — 9907-164 5466-258 8200-1300 9907-149 9907-838 EASYGEN-3500-5/P2 8440-2145 Regulator, module, controller, governor
YOKOGAWA – Servo module, control cabinet node unit
Main products:
PLC, DCS, CPU module, communication module, input/output module (AI/AO/DI/DO), power module, silicon controlled module, terminal module, PXI module, servo drive, servo motor, industrial display screen, industrial keyboard, controller, encoder, regulator, sensor, I/O board, counting board, optical fiber interface board, acquisition card, gas turbine card, FIM card and other automatic spare parts
ABB — AC 800M controller, Bailey, PM866 controller, IGCT silicon controlled 5SHY 3BHB01 3BHE00 3HNA00 DSQC series
BENTLY — 3500 system/proximitor, front and rear card, sensor, probe, cable 3500/20 3500/61 3500/05-01-02-00-001 3500/40M 176449-01 3500/22M 138607-01
Emerson — modbus card, power panel, controller, power supply, base, power module, switch 1C31,5X00, CE400, A6500-UM, SE3008,1B300,1X00,
EPRO — PR6423 PR6424 PR6425 PR6426 PR9376 PR9268 Data acquisition module, probe, speed sensor, vibration sensor
FOXBORO — FCP270 FCP280 FCM10EF FBM207 P0914TD CP40B FBI10E FBM02 FBM202 FBM207B P0400HE Thermal resistance input/output module, power module, communication module, cable, controller, switch
GE —- IS200/215/220/230/420 DS200/215 IC693/695/697/698 VMICPCI VMIVME 369-HI-R-M-0-0-E 469 module, air switch, I/O module, display, CPU module, power module, converter, CPU board, Ethernet module, integrated protection device, power module, gas turbine card
HIMA — F3 AIO 8/4 01 F3231 F8627X Z7116 F8621A 984862160 F3236 F6217 F7553 DI module, processor module, AI card, pulse encoder
Honeywell — Secure digital output card, program module, analog input card, CPU module, FIM card
MOOG — D136-001-007 Servo valve, controller, module
NI — SCXI-1100 PCI – PXIE – PCIE – SBRIO – CFP-AO-210 USB-6525 Information Acquisition Card, PXI Module, Card
Westinghouse — RTD thermal resistance input module, AI/AO/DI/DO module, power module, control module, base module
Woodward — 9907-164 5466-258 8200-1300 9907-149 9907-838 EASYGEN-3500-5/P2 8440-2145 Regulator, module, controller, governor
YOKOGAWA – Servo module, control cabinet node unit
Main products:
PLC, DCS, CPU module, communication module, input/output module (AI/AO/DI/DO), power module, silicon controlled module, terminal module, PXI module, servo drive, servo motor, industrial display screen, industrial keyboard, controller, encoder, regulator, sensor, I/O board, counting board, optical fiber interface board, acquisition card, gas turbine card, FIM card and other automatic spare parts
