RCW(N) type economical auto recloser is a class simple combination switchgear which is a simple VCB + a relay protection controller,..
RCW(N) type economical auto recloser is a class simple combination switchgear which is Solid insulated with vacuum interrupting technology, with silicone rubber coating and simple relay protection and equipped with a spring mechanism ahieve auto closing function under operating sequence O-0.5-CO-15S-CO.
This type aut recloser is basic version auto recloser, which is equipped with 3 current transformer and spring mechanism and economic controller.
RCW(N) type auto recloser is exact terminal switchgear for using at position front of distribution transformer(or secondary substation power transformer purpose of protection breaker)some similar like sectionalizer or breaker with relay protection.
Thus,RCW(N) type auto recloser is Actualy a normal motroized type spring mechanism vacuum circuit breaker with manual and motorized opening/closing device. Its suitable for using on simple purpose grid as a switching and key point protectio breaker.
RCW(N) type auto recloser is very compact design switchgear, which is widely using on worldwide, the voltage rating range from 6kV up to 40.5kV.Insulation level at BIL 200kV max. The current rating range from 630A, up to 1250kA, 25kA.
Technical Service:
ROCKWILL®, China. Provide with best support
Tel: 0086-577-27869969
Email: barry@rockwill.cn
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N
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Item
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Unit
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Data
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||||
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1
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Rated max voltage
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kV
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12
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15
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27
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38
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|
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2
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Rated current
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A
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630/800/1250
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||||
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3
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Rated frequency
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Hz
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50/60
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||||
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4
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Power frequency 1min
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Dry
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kV
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45
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55
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65
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95
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Wet
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30
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45
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55
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80
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|||
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5
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Lightning impulse withstand voltage(peak)
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kV
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75/95*
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95/100*
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125/150*
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170/200*
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|
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6
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Rated short circuit breaking current
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kA
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12.5/16/20/25*
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||||
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7
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Rated short current switching current(peak)
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kA
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31.5/40/50/63*
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||||
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8
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Rated peak value withstand current
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kA
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31.5/40/50/63*
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||||
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9
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4S short time withstand current
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kA
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12.5/16/20/25*
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||||
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11
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Rated operating circulate
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|
O-0.5S-CO-15-CO
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||||
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10
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Breaking current frequency under rated short circuit
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time
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200
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||||
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12
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Mechanism life
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time
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10000
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||||
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13
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Secondary loop 1 min power frequency withstand
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kV
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2
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||||
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14
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Auxiliary voltage supply
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Vac
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220±20%
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||||
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15
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Battery bank
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Vdc
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12×2
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||||
● Service environment
1.Air temperature: Maximum temperature: +85℃; Minimum temperature:-45℃
2.Humidity: Monthly average humidity 95%; Daily average humidity 90% .
3.Altitude above sea level: Maximum installation altitude: 2500m or more higher.
4.Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
5.Summer barometric 84.7Kpa(635mmHg) Winter barometric 85.6Kpa(642mmHg) Max wind speed 34m/s
6.Humidity of 13mg and Vapour Pressure 17mm/Hg. No frequent violent shake.
●Offering
With optional classes for rated current range:
For 11/15kV, with 630A, 20kA Breaking capacity. 800A, 20kA capacity, and 1250A, 20kA.
For 27kV, with 630A, 20kA Breaking capacity. 800A, 16kA capacity, and 1250A, 25kA.
For 38kV, with 800A, 20kA, And expanding 1250A, .25kA RCW38M type.
With optional classes for installation styles:
Single phase, vacuum recloser and Three phase, vacuum recloser.
With optional relay protection curves for user choice:
Instantaneous over-current protection.
Timing over-current protection.
Negative sequence over-current protection.
Directional over-current protection(*).
Over-voltage protection./Under voltage protection.
More relay functions can be customized.
With optional choice by locally or remotely.
With optional communication protocols & I/O port for user choice:
RS-232 and RS-485 ports supporting.
DNP3.0 communication protocol support(*).
Modbus communication protocol is optional(*).
IEC 60870-5-101 communication protocol support.
IEC 60870-5-104 communication protocol support.(*).
The recloser can communicate through GPRS(Or GSM) modem with English or Chinese language (*).
With optional functions for user.
Rated currents, System phase current.
Rated voltages, System phase voltage& secondary low voltage power supply voltage. Frequency, power(kWh),
reactive power(kV arh), power factor .
With optional reclosing interval for user pre-program:
Reclosing times setting support.
Dead time setting support.
With events recording function:
SOE 1000 operations record.
Fault record and normal operation record.
Note: (*) mean should customized by manufacturer if needed.
● Recloser feature
a)Outline of recloser:
The RCW series vacuum recloser is mainly combined with integration terminal, current transformer, permanent magnetic actuator and it’s recloser controller.
b)The recloser tank feature:
The Vacuum recloser tanks are manufactured from 304# grade stainless steel and are powder coated a light grey colour. Whole recloser IP65 protection class, equipped with a auxiliary plug to connect with recloser controller by control cable, Diameter● Main new advantages of RCW
High reliable manual opening device High reliable manual closing deviceVisible ON/OFF indicator IP67 class waterproof plug connector
ROCKWILL ® Supply special design manual closing device technology with own patent, It applied for normal and abnormal situation closing. It’s closing speed(time) comply with IEC62271-100. This function can offset from magnetic actuator fault which when actuator can’t work will cause the major accident.
Primacy incomer terminal (directly connect to interrupter reduce power lost)
Current transformer
(external modular design easy for quality control and maintenance)
Accuracy: ±0.2% Ratio:200/400/800-1
Capacity:2.5VA/5VA
Power frequency withstand of 25kV
and 70 kV for one minute.
Basic insulation level 95 kV and 170 kV
The recloser’s vacuum interrupter insert in an epoxy resin solid pole, and external coated with a high reliable, stable material: Fluorocarbon silicone rubber (γ-trifluoro propyl methyl polysiloxane) With excellent electric insulation, weather resistance, ozone, biological inertia, can be stand under the long-term use in -55 ~ +200 ℃.
Internal Voltage sensors
incorporated within the vacuum
interrupter module
Source-side or Load side
connections Eliminate external
voltage-sensing PTs
Note:
ROCKWILL ® supply special patent modular design mono-stable type magnetic actuator with two coils controlling. It’s the best design for vacuum circuit breaker.
● Main technical data
| N | Item | Unit | Data | ||||
| 1 | Rated max voltage | kV | 12 | 15 | 27 | 38 | |
| 2 | Rated current | A | 630/800/1250 | ||||
| 3 | Rated frequency | HZ | 50/60 | ||||
| 4 | Power frequency 1min | Dry | kV | 45 | 55 | 65 | 95 |
| Wet | 30 | 45 | 55 | 80 | |||
| 5 | Lightning impulse withstand voltage(peak) | kV | 75/95* | 95/100* | 125/150* | 170/200* | |
| 6 | Rated short circuit breaking current | kA | 12.5/16/20/25* | ||||
| 7 | Rated short current switching current(peak) | kA | 31.5/40/50/63* | ||||
| 8 | Rated peak value withstand current | kA | 31.5/40/50/63* | ||||
| 9 | 4S short time withstand current | kA | 12.5/16/20/25* | ||||
| 11 | Rated operating circulate | O-0.5S-CO-2S-CO-2S-CO | |||||
| 10 | Breaking current frequency under rated short circuit | time | 200 | ||||
| 12 | Mechanism life | time | 10000 | ||||
| 13 | Secondary loop 1 min power frequency withstand | kV | 2 | ||||
| 14 | Auxiliary voltage supply | Vac | 220±20% | ||||
| 15 | Battery bank | Vdc | 12×2 | ||||
| 16 | Capacitor unit | Vdc | 220 | ||||
●Accessories of RCW
All above insulating components for BIL 200kV expanding using. Any question please contact with our engineer.
Upper voltage shield 3 pcs/set
