Outdoor Pole Mounted High Voltage SF6 Automatic Partition Slotter
Introduction: High Voltage Automatic Partition SlotterMZDL4-12/630-20 Outdoor Pole Mounted High Voltage SF6 Automatic Partition Slotter uses SF6 as the arc and insulation media. It is mainly used in AC 50Hz 12kV power transmission circuit as the controller and protector. It can cooperate with recloser, circuit breaker and fuse. When the side load wire or equipment break down and the breaking current reaches or exceeds rated starting current, the partition slotter will count the breaking movements of the reserved protection equipments. Once the counted times reached the setting value, the partition slotter would automatically part the switch and lock it. It has such functions as memorizing the state of parted switch, being connected with the single phase generatrix and automatically skipping the switch and being without auxiliary power supply. It can realize remote control of opening and closing switch and three remotes by RS485 interface.
Functions and Features - High Voltage Partition Slotter [Vacuum Circuit Breaker]
1. Adopts electronic PT, ct charge as well as ac220v charge
2. With rs485, rs232 two communication interfaces and a variety of communication protocols
3. Realize “four remotes” function: remote control, remote adjustment, remote communication, remote measurement.
4. With remote control of opening and closing switch function at 30 meters distance
5. Set the skipped-switch current at anytime and anywhere within a flexible range
6. Inhibit current over-flow
7. Computer monitoring and control devices configured with a group of 20 batteries, battery capacity can support 50 hours after blackout.
Technical Parameters - High Voltage Partition Slotter Table One
| Order | Name | Unit | Parameter | ||
| 1 | Rated voltage | KV | 12 | ||
| 2 | Lightening impact current tolerance | (peak value) | 75 | ||
| 1min work frequency voltage tolerance | Dry test | KV (RMS) |
30 | ||
| Wet test | 42 | ||||
| 3 | Rated current | A | 200 | 400 | |
| 4 | Rated load breaking current | A | 200 | 400 | |
| 5 | Rated short circuit closing current | KV (peak value) | 20 | 25 | |
| 6 | Rated dynamic stable current | KV (peak value) | 20 | 25 | |
| 7 | Rated thermal stable current | KA | 8 | 10 | |
| 8 | Rated thermal stable current time | S | 4 | 4 | |
| 9 | Rated working pneumatic pressure (20°C barometer pressure) |
MPa | 0.18 | ||
| 10 | Minimum working pneumatic pressure (20°C barometer pressure) | MPa | 0.162 | ||
| 11 | SF6 water content | Ppm | ≤150 | ||
| 12 | Annual leakage rate | % | ≤1 | ||
| 13 | Mechanical life span | Times | 3000 | ||
| 14 | Protective CT | Ratio | A | ( )/5 | |
| Capacity | VA | 15 | |||
| 15 | Total weight | kg | 140 | ||
Table two
| Order | Name | Unit | Parameter |
| 1 | Breakdown switch parting time | Second | ≤0.4 |
| 2 | Rated memory times | Times | 1~4(adjustable) |
| 3 | Rated memory time | Second | 0~50(adjustable) |
| 4 | Rated start current for setting | A | 20~4000(adjustable) |
| 5 | Delay time of grounding single phase | Second | 10~7200(adjustable) |
| 6 | Rated voltage of parted switch button releaser | V | DC24V AC220V |
| 7 | Environmental temperature | °C | -40°C~85°C |
| 8 | Simulated measurement error | ≤29% |
Contour & Installation Dimensions - High Voltage Automatic Partition Slotter
1 Parted switch button releaser positioning 2 lock board 3 Crank linking rod 4 Bounce button 5 Reset spring 6 close-switch spring7 close-switch linking rod gear 8 bracket 9 interlock bar 10 parted switch spring 11 shaft
Picture 8a Partition Slotter Components Diagram:
1 Insulated tube 2 Manometer 3 self-sealed valve 4 Spring actuator 5 parted switch handle 6 closed switch handle 7 Controller
Picture 8b Partition Slotter Pole Mounting Diagram:
1 Partition slotter 2 angel steel (supplied by itself) 3 ground row (supplied by itself) 4 Screw rod, nut (supplied by itself)
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Complete set switchgear-Power Control System
