Instructions for the Use of KY-TSC Series SCR Switches
Suitable for: SCR control reactive power compensation module
I. Important Information
This information is for those professionals who can choose and connect to install the switch. The use of Kaiyue TSC series devices must strictly comply with the national standards related to the industry, although some standards are not reflected in this information.
Ⅱ. Tapplication
KY-TSC series switch is used to switch capacitors in three-phase system. Compared with other switches, the switch has no inrush current, no contact noise and high switching frequency. These advantages are achieved through trigger circuits, thyristors, diodes, and some auxiliary circuits. The switch is suitable for the occasion where the load changes rapidly.
Ⅲ. Component Units
The switch mainly consists of bidirectional thyristor, trigger circuit, absorption circuit, radiator and cooling device. Output circuit judges whether to output control signal (DC12V) before and after zero-crossing voltage, and then makes thyristor turn on or off. The trigger circuit can reliably ensure the output of the control signal, the good thermal conductivity of the radiator and the addition of the radiator fan, which greatly improves the heat dissipation effect of the switch. The device has built-in overtemperature protection switch and temperature switch to control the automatic operation of fan, thus providing good conditions for safe operation.
IV. Installation instructions
When installing modules, please pay attention to the IP protection level, temperature level and the maximum installation location. The ambient temperature directly affects the electrical life of the module equipment. When the capacity of the single cabinet stacked module is too large, it is recommended to install a high-power fan for heat exhaust and cooling. The fan ventilation rate standard is in accordance with the following table device.
Single cabinet installed capacitor capacity (kVar) Ventilation (m3/h)
Less than 50 Eighty
50 - 100 One hundred and sixty
100 - 200 Three hundred and sixty
200 - 250 Six hundred
More than 250 Nine hundred
If necessary, install ventilation and cooling devices in the distribution room. Install module equipment smoothly to ensure adequate space around the cabinet body for convenient maintenance and repair after installation.
Prompt: the equipment is suitable for vertical installation, and the vertical distance between switching switches shall be kept at least 10cm. If multiple rows of switches are to be installed according to the requirements, the rows shall be staggered with each other to facilitate the ventilation and heat dissipation of the equipment, and a certain horizontal distance shall be kept for the convenience of wiring and heat dissipation.
V. Equipment Inspection
The reactive power compensation module you ordered is qualified by the quality inspection department of our company before leaving the factory.
u Before you prepare to install the equipment, please confirm the following preparations:
u Check whether the packing box is in good condition and if there is any serious damage in the packing after transportation.
u check whether the mechanical and electrical parts of the module equipment are damaged obviously.
u checks whether the technical parameters such as rated voltage, current and frequency of the nameplate of the module equipment match with the parameters of the local power grid.
Ⅵ. Module (switcher) has the following characteristics:
u zero-crossing switching, no inrush current, will not cause voltage flicker in power grid
u photoelectric isolation, strong anti-interference ability, fast response, (50ms)
u has no inrush current, no impact and no voltage flicker.
u integration, small size, easy installation.
u LED signal lamp shows switching status.
u built-in cooling fan, automatic control fan start and stop.
u built-in overtemperature (80 C) protection.
u full cast structure, strong and durable.
u Touchable Secure Connection Technology, IP30.
u operation without noise, mechanical wear and tear, greatly prolonging the service life.
Compared with the traditional contactor, the device has no inrush current, no impact, no transition process, no mechanical wear and no noise. It can switch capacitors in real time with the change of system load without causing system voltage flicker. The product has been proved to be stable in performance and safe and reliable in operation after a long period of operation.
Ⅶ. Main Technical Parameters of Module (Switcher)
Rated voltage | 230-1140v (max. + 10% for more than 8 hours of daily work) | |
Rated frequency | 50/60Hz | |
Driving current | ≤45mA | |
Rated current | 72A | |
response speed | ≤20mS | |
Installation location | indoor | |
Protection level | IP54 | |
control signal | DC12V | |
work environment | Temperature: - 25 ~55. Humidity: 40 C% 20 ~% 90 No violent vibration and shock No conductive dust and corrosive gas | |
Fan parameters | Rated voltage: AC220V/50Hz Rated power: 30W | |
Temperature parameter | Cooling mode
| Air-cooled, fan start-up temperature set at 40 +5 C Self cooling |
Overheat protection | Automatic removal of capacitor banks at 80 C | |
Temperature class | --20/B Minimum temperature: - 20 C Maximum Temperature (Grade B): Short-term at 40 and daily average at 35 C Average annual temperature of 25 C | |
Service life | More than 15 years | |
weight | 30Kg | |