Shinsung Industrial Electric
Shinsung Industrial Electric
Ring Main Unit
Model
Series
Underground Line / Substation
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Description
GENERAL FEATURES
- Compact extensible unit combining different kinds of MV functional units to make a ring or radial network, for protecting transformers
- Fuse switch combination up to 1600 KVA
- Fuse switch combination with watch-dog function up to 1600 KVA
- C.B (200A)
- CB (630A) rede CB
* Watch-dog functions are under request
- Line protection with 630A circuit breaker
- Network switching by load break switch
- SCADA mate : remote operation, voltage, current sensor, sensitive zero phase CT’s
- Uses 2 switch LBS and one fuse switch combination with control
- Uses 2 CB and one dummy part with control
* Very fast transfer time – outage time can be below 1 cycle
- Compact : “All in one” units in a single stainless steel enclosure
- Extensible : Extensible to left and or right side without handling gases, no special tools
TECHNICAL DATA
| SD MODULE | FS MODULE | CB MODULE | |||||
|---|---|---|---|---|---|---|---|
| Switch | ES | Switch | Down-stream | CB | ES | ||
| ES | |||||||
| Rated Voltage | kV | 17.5/24 | 17.5/24 | 17.5/24 | 17.5/24 | 17.5/24 | 17.5/24 |
| Power frequency withstand | kV | 38/60 | 38/60 | 38/60 | 38/60 | 38/60 | 38/60 |
| Impulse withstand | kV | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 |
| Rated current | A | 630 | 200/630 | 200/630 | |||
| Breaking capacity | |||||||
| Active load | A | 630 | |||||
| Closed loop | A | 630 | |||||
| Off load cable charging | A | 200/150 | |||||
| Earth fault | A | 115/87 | |||||
| Earth fault cable charging | A | ||||||
| Short Circuit breaking | A | 20/12.5 | |||||
| Transfer | |||||||
| Making capacity | 50 | 50 | 50 | 12.5 | 50/32.5 | 50 | |
| Short time current 1sec | 25 | 25 | 5 | 20/12.5 | |||
| Short time current 3sec | 20 | 20 | 20 | ||||
| Operation time | |||||||
| Close | Sec | 0.7 | <0.045 | <0.045 | |||
| Open | Sec | 0.7 | <0.045 | <0.045 | |||
| Spring charge | Sec | <8 | <8 | ||||
GENERAL FEATURES
- Fully metal shielded solid insulation with vacuum switch
- Serial connection using disconnecting switch and vacuum interrupter
- Vacuum switch with three positon disconnector and ensure high insulation
- SCADA mate (CT and voltage sensor) and safety
- Non extendable
- No external bus bar connection
TECHNICAL DATA
| DESCRIPTION | SILB |
|---|---|
| Rated Maximum Voltage | 27 kV |
| Corrente contínua nominal | 630 A |
| Making Current | 12.5 kA |
| Short-time Withstand Current | 12.5 kA / 1 seg |
| Impulse Withstand Voltage | 150 kV |
| Power Frequency Withstand Voltage | 60 kV / 1 min |
GENERAL FEATURES
- 25.8kV, 630A and 12.5kA
- Combine puffer load break switches and vacuum fault interrupters
- Earthing switch, CT and voltage sensors
- Combined with SCADA-ready relay control
- Certified in accordance with IEC 60265-1, ANSI C37.60 (1981) and ANSI/IEEE C37.71 (1984)
TECHNICAL DATA
| Description | SMCB-16 | SMCB-26 |
|---|---|---|
| Maximum System Voltage | 15 Kv | 25.8 kV |
| Rated Continuous Current | 630 A | 630 A |
| Electrical Operating Time of CB (Close/Open) | 60/25 ms | 60/25 ms |
| Electrical Operating Time of LBS (Close/Open) | 700 ms | 700 ms |
| Minimum Clearing Time of CB | 2.7 cycle | 2.7 cycle |
| Short Time Withstand Current (rms) | 20 kA (4 sec) | 12.5 kA (1sec) |
| Breaking Capacity of CB | 20 kA | 12.5 kA |
| Insulation Leve – Lightning Impulse Withstand Voltage | 95 kV BIL | 125 kV BIL |
GENERAL FEATURES
- SF6 insulation and interruption LBS
- Earthing switch
- CT, voltage sensor and motorized
- Certified in accordance with IEC 60265-1 and ANSI/IEEE 37.71 (1984)
TECHNICAL DATA
| Description | SSPGS-16 | SSPGS-26 | |
|---|---|---|---|
| Maximum System Voltage | 15 Kv | 25.8 kV | |
| Rated Continuous Current | 600 A | 600 A | |
| Rated Fault Making Current (peak) | 52 kAp | 32.5 kAp | |
| Electrical Operating Time (Close/Open) | 700 ms each | 700 ms each | |
| Number of Mechanical Operations (main) | 5,000 times | 5,000 times | |
| Number of Mechanical Operations (ground) | 1,000 times | 1,000 times | |
| Short Time Withstand Current (rms) | 20 kA (4 sec) | 12.5 kA (1sec) | |
| Insulation Level | Lightning Impulse Withstand Voltage | 95 kV BIL | 125 kV BIL |
| Power Frequency Withstand Voltage | 50 kV | 60 kV | |
| DC Voltage Withstand Voltage | 53 kV | 78 kV | |