Generator Excitation System Used for Hydro Power Plant

FOB Price

Get Latest Price

1 ~ 5000 USD / Unit ( Negotiable )

1 Unit Minimum Order

Country:

China

Model No:

HWJT-09C

FOB Price:

1 ~ 5000 USD / Unit ( Negotiable )(Negotiable) Get Latest Price

Place of Origin:

Price for Minimum Order:

1 per Unit

Minimum Order Quantity:

1 Unit

Packaging Detail:

Wooden case or wooden tray

Delivery Time:

30 days

Supplying Ability:

1200 Unit per Year

Payment Type:

T/T, L/C, Western Union, Money Gram

Product Group :

Excitation System

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Wuhan Hongshan Electrical Science

China

Free Member

Contact Person Li

Building 7, Hua Gong Park Avenue #2, HUST Sci-Tech Park, Wuhan Donghu High-tech Development Zone, Wu, Wuhan, Hubei

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Product Description

HWJT**9C micro-computer excitation regulator is the latest generation micro-computer excitation regulation & control equipment researched and developed by Wuhan Hongshan Electrical Science & Technology Co., Ltd, which is possessed of the following characteristics:

DSP control chip (foreground) + LCD screen display + PLC (optional) hybrid structure
Excitation regulation controller consisting of double-channel DSP processor for mutual thermal standby
Excitation monitoring unit
Independent excitation current regulation channel (option)
Programmable logical control unit replacing routine logical control wiring (option)
Remote drive realized (option)
Large power switch module power supply, characterized by wide scope of application and strong anti-interference.
Switch excitation and thyristor excitation allowed concurrently

Scope of application
HWJT**9C series micro-computer excitation equipment has great adaptability and universality, which can be applied in **0MW and below various synchronous generating sets. The excitation system includes:
1. DC excitation system:
Input DC voltage:           *0V～**0V
Output current:               5A～**0A
2. Three-generator excitation system:
Input voltage:                 *0V～**0V
Input frequency:             *0Hz～**0Hz
Output current:               *0A～**0A
3. Double-generator AC excitation system:
Input voltage:                 *0V～**0V
Input frequency:             *0Hz～**0Hz
Output current:               *0A～**0A
4. Self shunt excitation system:
Input voltage:                 *0V～***0V
Output current:               **0A～***0A

Technical data

1. Generator terminal voltage UF:                  Rated value at secondary side of voltage transformer **0V or **5V
2. Stator current measurement IF:           Rated value 5A or 1A
3. Rotor current measurement IL:           Hall current sensor measurement 4~*0mA or 0~5V signal
4. Output pulse:                    *0Hz~**0Hz thyristor trigger pulse (thyristor excitation system)
Output pulse:                  *0Hz~**0Hz duty ratio of variable rectangular wave (IGBT excitation system)
5. Output range of excitation current:     *0～***0A
6. Output range of excitation voltage:     *0V~1,**0V (thyristor excitation system)
7. AC and DC parallel power supply:            AC **0V**0%，**0%
DC **0V*5%，**5%

Main technical indicators

1. Pulse adjustment range:           *0～**0°(thyristor excitation system)
Variable range of duty ratio of rectangular wave: 0%～**0%
2. Pulse width adjustment precision:       Superior to 0.***6° (*0Hz thyristor excitation system); 0.**6° (**0Hz system)
Pulse width adjustment precision of rectangular wave: superior to 0.*1%
3. A/D switching resolution: Superior to 2^－^*2
4. Adjustment speed:       3ms/period
5. Voltage adjustment range:             *0%～**0%Ue(manual *0%～**0%Ue)
6. Voltage adjustment precision:             Superior to 0.5%
7. Difference adjustment characteristics:            ±*5% can be set, step length 0.1%;
8. Frequency characteristics:             Frequency change 1%, the change of generator terminal voltage is less than ±0.1% of rated value
9. Frequency range:        *0～*7.5Hz
*0. Given adjustment speed: Not more than 1%/s, and not less than 0.1%/s
*1. **-digit DSP processor adopted: main frequency **5MHz
*2. Excitation PT and IF, instrument PT, system PT and **-digit AD for AC sampling
*3. FFT AC sampling algorithm
*4. **-point **-digit AD synchronous sampling
*5. Built-in PSS software module of PSS2A module applied
*6. Complete PSS testing interface
*7. Isolating RS***2C/RS***5 communication interfaces, and supporting standard ModBusRTU communication protocol
*8. Man-machine interfaces (HMI) of several specifications for choice, printer and micro printer supporting inking and laser.
*9. Power consumption:        Less than *5W.

Service conditions

1. Installation location: indoor;
2. Ambient temperature is －5℃～＋*5℃;
3. Storage temperature is **5℃～＋*5℃;
4. Height above sea level: ≤***0m; relative humidity: ≤*0%, without condensation;
5. Installation vertical inclination: ≤5°;
6. When the allowable vibration is *0~**0Hz, the vibration acceleration shall not be more than 5m/s²;
7. Seismic fortification intensity: ≤ magnitude Ⅷ;
8. The surrounding medium of the service environment shall be free from any explosion risk and corrosive gas, and the concentration of the conductive dust contained shall not reduce the insulation level to the allowable limit value.
9. When the altitude exceeds 1,**0m, the relevant regulations on maximum air temperature are as follows:

Height above sea level (m)	H≤***0	***0	***0	***0
Maximum air temperature (℃)	*0	*7.5	*5	*2.5

When the conditions of the service environment exceed the above regulations, they shall be expressly indicated in the order.

Country:	China
Model No:	HWJT-09C
FOB Price:	1 ~ 5000 / Unit ( Negotiable ) (Negotiable) Get Latest Price
Place of Origin:	-
Price for Minimum Order:	1 per Unit
Minimum Order Quantity:	1 Unit
Packaging Detail:	Wooden case or wooden tray
Delivery Time:	30 days
Supplying Ability:	1200 Unit per Year
Payment Type:	T/T, L/C, Western Union, Money Gram
Product Group :	Excitation System