Product Overview
YB Intelligent Prefabricated Substation integrates high & low voltage distribution units, transformer and intelligent monitoring system. Preassembled in factory for quick onsite installation. Supported by intelligent measurement & control platform, it realizes operation data collection, fault early warning and remote operation & maintenance. Featuring excellent protection and compact layout, it is widely applied in new energy, municipal works, industrial parks and real estate, delivering reliable and intelligent power conversion & distribution solutions.
Model and Meaning
The Main Technical Parameters
| Item | Unit | High voltage electrical equipment | Transformer | Low voltage electrical equipment |
| Rated voltage | kV | 7.2、12 | 6/0.4、10/0.4 | 0.4 |
| Rated capacity | kVA | “Mu” type:200~1250 | ||
| “Pin” type:50~400 | ||||
| Rated current | A | 200~630 | 100~3000 | |
| Rated breaking current | A | Load switch 400~630A | 15~63 | |
| kA | Combined electrical equipment is dependent on fuse | |||
| Rated short time withstand current | kA(xs) | 20×(2) | 200~400kVA | 15×1 |
| (12.5×4) | 400kVA | 30×1 | ||
| Rated peak withstand current | kA | 31.5、50 | 200~400kVA | 30 |
| 400kVA | 63 | |||
| Rated closing current | kA | 31.5、50 | ||
| Line frequency withstand voltage | kV | Phase to earth and phase similar 32、40 | Oil immersion:35/5min | ≤ 300V at 2kV |
| Isolated fracture 34、48 | Dry type:28/5min | 300,600V at 2.5kV | ||
| Thunderstroke impact | kV | Phase to earth and phase similar 60、75 | 75 | |
| Isolated fracture 75、85 | 75 | |||
| Noise level | dB | Oil immersion:<55Dry type:<65 | ||
| Protection grade | IP23D | |||
| Outline dimension | Choose different outline dimension according to the capacity and mode of selected transformer. | |||
Installation Base Map
Typical System Scenario Example Reference
Cable incoming and outgoing, terminal power supply, low voltage metering
Cable incoming and outgoing, terminal power supply, high voltage metering ,low voltage corridor diagram, low voltage capacitance compensation,
Cable indcoming and outgoing, ring network power supply, low voltage metering,low voltage corridor diagram,low voltage capacitance compensation,
