STY-KC-Series Intelligent combination type low voltage power capacitor compensation 1 Generation :
Working in a 0.4kv low voltage network, the intelligent reactive compensation installation (intelligent
combination type low voltage energy-saving power capacitor) can reduce line loss, raise power
factor, improve power quality, and is energy-saving. It combines advanced technologies like modern
measurement and control, power electrionics, network communication, auto-control, and power capacitor.
Compared with traditional reactive compensation installations, it is smaller, cheaper, more
cost-saving, more flexible, more convenient to maintain, with less power consumption, longer life
span and more reliability, meeting a higher demand of modern power grid for reactive compensation.
2 Applicaton fields
The capacitor compensation installation offers solutions to improve power factor and increase
power grid efficiency. The main application fields are:
Factory power distribution systems Residential area power distribution systems
Municipal commeicial buildings Tunnel traffic power distribution systems
Box transformer substation, cabinet sets, and outdoor distribution boxes
3 Types and meanings
Three phase joint compensation or split phase compensation Intelligent power capacitors
4 Normal working and installation conditions
4.1 Ambient temperature:-25ºC ~ +55ºC
4.2 Relative humidity:40ºC ≤ 20%;20ºC ≤ 90%
4.3 Altitude:≤ 2000m
4.4 Environmental conditions: no noxious gas and vapour; no conductivity or explosive dust;
no violent mechnical vibration.
5 Main parameters and other conditions
5.1 Measurement error Voltage:≤ ±0.5%,Current:≤ ±0.5%,
Active power:≤ ±1%,Power factor:≤ ±1%,Temperature:±1ºC
5.2 Protection error
Voltage:≤ ±0.5%,Current:≤ ±0.5%,Temperature:±1ºC ,Time:±0.1s
5.3 Reactive compensation parameters
Reactive compensation error:≤ Minimum capacitance 50%,Capacitor switching time can be
set between 10s~180s,
5.4 Reliability parameters
Control accuracy: 100%,Permissible switching times: 1 million,
Attenuation ratio of capacitance running time: ≤ 1% per year,
Attenuation ratio of capacitance switching: ≤ 0.1% per 10,000 times
5.5 Mains conditions:
rated voltage:380V±20%;Harmonic voltage: Sine wave, with total
aberration rate no more than 5%;Rated frequency:50Hz/60Hz;Harmonic current:
the harmonic current at the point of common connection must not exceed the standard value
requested by GB/T14549-1993. Power consumption:≤ 3W.
5.6 Executive standards: electric clearance and creep distance, insulating strength,
safety protection, short circuit strength, sampling and controlling circuit all apply to the
corresponding regulations stated in GB/T15576-2008 Low Voltage Combination Reactive
Power Compensation Installation.
6 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 | LCD type 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 |
Huangshan Safety Electric Technology Co., Ltd., is located in the Huangshan city, which is one of the leading manufacturer and exporter in the field of low voltage electric appliance in China,
We produce circuit breaker (MCB, ELCB, RCCB, RCBO, MCCB),
AC capacitor (low voltage power capacitor, motor run and starting capacitors, lighting capacitors, )
Pushbutton, switches, contactor, indication lamps, distribution box, etc series products, at present, we have more 200 workers and with about 20000 square meters building workshop for the production line,
We have gotten the ISO9001, CCC, , CE, TUV, UL certificate. We produce top quality all along and meet customers' quality requirement,
We have the development department by ourselves, we can offer OEM, ODM service and develop new products every year.
We promise to offer you superior products, favorable price, and timely delivery.
If you are interested in cooperating with us, please feel free to contact with us in your earliest convenience time.
