STY-KC-CS series intelligent power capacitors :
By taking the self-healing type low voltage power capacitor as the main body and the intelligent measuring and controlling processor as the control center, the HY series intelligent combination type low voltage power capacitor (hereinafter referred to as combination capacitor) adopts microelectronic software and hardware technologies to realize zero-crossing control of thyristor, achieve time delay switching of contact of the mechanical type magnetic latching relay and accomplish zero-crossing switching technology of the low voltage power capacitor by mechanical type magnetic latching relay and thyristor combination switch circuit, and thus, power factor compensation is carried out in 0.4KV low voltage line.
The product integrates sensing technology, network technology and the latest independent research and development results of electric technology to make the combination intelligent, small-sized and networked. Compared with traditional low voltage reactive compensation products, it has such features as automatically cycled switching; Three-phase compensation, split-phase compensation, mixed compensation, optimized grading compensation, mixed optimized grading compensation; Protection for over-current / over-voltage / under-voltage / under-current, voltage loss, phase loss, harmonic wave and temperature; And other functions such as measurement, control, communication and etc.
With the breakthrough in the structure of the existing low voltage reactive compensation devices, the product can realize a new mode of dispersed control and centralized management. The compensation system is featured by few parts, low temperature rise, small volume, low power consumption, harmonic resistance; Simple structure, easy realization of standardization and normalization, flexible capacity configuration, good safety and reliability, cost saving, convenient use and etc.
In addition, the capacitor to be switched can be forecast so that active power in power distribution and transformation is enhanced, investment in increasing the capacity is reduced and loss of compensation system is lowered. The real-time switching with dispersed control enhances stability of the compensation system and the zero-crossing control reduces impact of surge current onto the system voltage, so the product plays an important role in stabilizing system power network, reducing equipment loss, prolonging service life of the capacitor, as well as saving the energy and protecting the environment.
The product is widely used in the electric systems of low voltage inductive load, such as urban power network, rural power network, civil construction, factories, mines and other enterprises, petrochemical industry, electrified railway, rail traffic and other fields, acting as a reactive compensation device of low voltage power distribution networks.
It has prominent effects in enhancing power factor, reducing line loss, stabilizing power network voltage, ensuring power supply quality, saving energy, lowering loss and improving efficiency, so that the new generation low voltage reactive compensation device is featured by good compensation effect, smaller volume, more cost saving, more flexible use, more convenient maintenance and higher reliability, meeting higher requirements of modern power networks to reactive compensation.
Specifications and data of main product types
| Compensation modes |
Product types |
Type specifications |
Capacitor Rated voltage(V) |
Rated capacitance
(kvar) |
Dimensions
(L×W×H)mm3 |
| Three-phase compensation |
LCDtype or (Digital tube type -A) |
STY-KC/CS /450/10(5+5) |
450 |
10 |
380×80×245 |
| STY-KC/CS /450/15(10+5) |
450 |
15 |
380×80×265 |
| STY-KC/CS /450/20(10+10) |
450 |
20 |
380×80×265 |
| STY-KC/CS /450/30(20+10) |
450 |
30 |
380×80×345 |
| STY-KC/CS /450/40(20+20) |
450 |
40 |
380×80×345 |
| STY-KC/CS /450/50(25+25) |
450 |
50 |
380×110×350 |
| STY-KC/CS /450/60(30+30) |
450 |
60 |
380×110×390 |
| STY-KC/CS /450/70(35+35) |
450 |
70 |
380×110×480 |
| Phase-splitting compensation |
LCD type or (Digital tube type -A) |
STY-KC/CF /250/5 |
250 |
5 |
380×80×245 |
| STY-KC/CF /250/10 |
250 |
10 |
380×80×265 |
| STY-KC/CF /250/15 |
250 |
15 |
380×80×295 |
| STY-KC/CF /250/20 |
250 |
20 |
380×80×345 |
| STY-KC/CF /250/25 |
250 |
25 |
380×80×385 |
| STY-KC/CF /250/30 |
250 |
30 |
380×80×405 |
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