Smart Ring Main Unit
JGR-12/24 SF6 insulated intelligent ring network switchgear
This product is a 480kW split DC charging stack that supports 8 outputs and can be configured with four dual output interfaces or eight single output interface charging terminals. The maximum power can reach 480kW. It adopts a split structure design, with centralized charging power configuration and multiple charging ports sharing charging power. It has the ability to cooperatively control multiple charging ports to charge according to multiple charging strategies.
Grid energy storage power stations, industrial and commercial energy storage systems, new energy station support, electric vehicle battery swapping stations, large microgrids
Product Highlights
Fixed-type distribution scheme D cabinet, with a comprehensive and ingenious mechanical interlocking design.
The cabinet has different numbers of heat dissipation slots at both the top and bottom, providing good heat dissipation performance.
Classifies and stores collected data, such as daily frozen data, meter reading day frozen data, curve data, historical monthly data, etc.
Drawer-type distribution scheme U-cabinet with multi-dimensional safety protection.
Convenient installation and rapid construction.
Technical parameters
| Item | CK Unit Cabinet | CF Unit Cabinet | CV Unit Cabinet | ||||
| Load Break Switch Cabinet | Combined Electrical Appliance Cabinet | Circuit Breaker Cabinet | |||||
| Rated Voltage (kV) | 12 | 24 | 12 | 24 | 12 | 24 | |
| Rated Current (A) | 630 | 630 | 125 | 125 | 630 | 630 | |
| Rated Frequency (Hz) | 50 | 50 | 50 | 50 | 50 | 50 | |
| 1min Power Frequency Withstand Voltage (kV) | Phase-to-phase, Phase-to-ground | 42 | 65 | 42 | 65 | 42 | 65 |
| Between Breaks | 48 | 79 | 48 | 79 | 48 | 79 | |
| Lightning Impulse Withstand Voltage (kV) | Phase-to-phase, Phase-to-ground | 75 | 125 | 75 | 125 | 75 | 125 |
| Between Breaks | 85 | 145 | 85 | 145 | 85 | 145 | |
| Partial Discharge 1.1Ur (pC) | 20 | 20 | 20 | 20 | 20 | 20 | |
| Rated Short-time Withstand Current (kA/s) | 20/4 | 20/4 | - | - | 20/4 | 20/4 | |
| Rated Peak Withstand Current (kA) | 50 | 50 | - | - | 50 | 50 | |
| Rated Short-circuit Breaking Current (kA) | - | - | 31.5 | 31.5 | 20 | 20 | |
| (30 Times) | (30 Times) | ||||||
| Rated Short-circuit Making Current (kA) | 50 | 50 | 80 | 80 | 50 | 50 | |
| Rated Capacitive Current Making and Breaking Test | Cable Charging Current (A) | 10 | 16 | 10 | 16 | 25 | 31.5 |
| Overhead Line Charging Current (A) | 1 | 1.5 | 1 | 1.5 | 10 | 10 | |
| Number of Rated Active Load Current Making and Breaking Operations (Times) | 100 | 100 | - | - | - | - | |
| Transfer Current (A) | - | - | 1750 | 1500 | - | - | |
| Internal Arc Test | Cable Compartment and Gas Tank Compartment: IAC Level AFLR, 20kA, 50kA (Peak), 0.5s-1s | ||||||
| Mechanical Life (Times) | Circuit Breaker | - | - | - | - | 20000 | 10000 |
| Isolating Switch / Earthing Switch | - | - | - | - | 5000/5000 | 3000/3000 | |
| Load Break Switch / Earthing Switch | 10000/5000 | 5000/3000 | 10000/5000 | 5000/3000 | - | - | |
| Protection Class | Enclosure | IP4X | IP4X | IP4X | IP4X | IP4X | IP4X |
| Gas Tank | IP67 | IP67 | IP67 | IP67 | IP67 | IP67 | |
| Rated SF6 Gas Filling Pressure at 20℃ (MPa) | 0.035-0.045 | 0.035-0.045 | 0.035-0.045 | 0.035-0.045 | 0.035-0.045 | 0.035-0.045 | |
| Minimum Functional SF6 Gas Pressure at 20℃ (MPa) | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | |
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