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China YB-12/0.4 Pre-installed Substation Suppliers - High Voltage/Low Voltage Factory Solutions
Model and Definitions
Application Conditions
- Altitude: ≤1000m; Ambient temperature: -25℃ to +40℃;
- Temperature: Maximum monthly average temperature +30℃, maximum annual average temperature +20℃;
- Relative Humidity: Daily average not exceeding 95%, monthly average not exceeding 90%;
- Seismic level: Horizontal acceleration 0.4m/s², vertical acceleration 0.15m/s²;
- The installation site should be free from severe shocks, serious pollution, and chemical corrosion, as well as conductive dust and explosion hazards. If normal usage conditions cannot be met, please consult with our company for solutions.
Application Conditions
| NO. | Items | Unit | High-voltage Electricity | Transformer | Low-voltage Electricity |
|---|---|---|---|---|---|
| 1 | Nominal Voltage | kV | 6/10 | 6/0.410/0.4 | 6/0.410/0.4 |
| 2 | Rated Capacity | kVA | 50~1600 | ||
| 3 | Rated Currency | A | 200,400,630 | 100~3200 | |
| 4 | Rated Short-circuit Breaking Current | A | Load Switch 400-630 | 15~63kA | |
| K | The combined switched is decided by the fuse. | ||||
| 5 | Rated Short-time Withstand Current | K | 16,20(4s) | 15(1s) | |
| 30(1s) | |||||
| 6 | Rated Peak Withstand Current | K | 31.5,50 | 30 | |
| 63 | |||||
| 7 | Power Frequency Withstand Voltage (1min) | kV | Ground and Phase-to-phase 32/42 | 25/35(Oil immersion) | ≤0.3, 2 |
| Isolating Fracture 36/48 | 25/28(Dry) | ＞0.3, 2.5 | |||
| 8 | Lightning Impulse Withstand Voltage (Peak) | kV | Ground and Phase-to-PHASE60/75 | 60/75 | |
| Isolating Fracture 70/85 | |||||
| 9 | Protection Level | IP23 | |||
| 10 | Noise Level | db | 55 | ||
| 11 | Standards Compliance | GB/T17467 "High Voltage/Low Voltage Pre-installed Substation" | |||
| DL/T537 "Technical conditions for Ordering 6-35kV Box-type Substations" |
Installation Dimensions
Display of Some Products
Frequently Asked Questions (FAQ)
What are the standard ambient temperature limits for this substation?
The substation operates within an ambient temperature range of -25℃ to +40℃. The maximum monthly average temperature should not exceed +30℃, and the maximum annual average temperature should not exceed +20℃.
What is the maximum altitude limit for standard installation?
The standard installation altitude for this equipment is less than or equal to 1000 meters (≤1000m). For higher altitudes, please consult our technical support team for customized solutions.
What are the environmental conditions required for installation?
The installation site must be free from severe shocks, serious pollution, chemical corrosion, conductive dust, and explosion hazards. Relative humidity should not exceed a daily average of 95% and a monthly average of 90%.
What standards do these substations conform to?
Our products strictly comply with national and industrial standards, specifically GB/T17467 "High Voltage/Low Voltage Pre-installed Substation" and DL/T537 "Technical conditions for Ordering 6-35kV Box-type Substations".
What is the rated capacity range for the transformer section?
The rated capacity of the transformer section ranges from 50 kVA to 1600 kVA, accommodating various power distribution demands.
What is the seismic tolerance of the equipment?
The equipment is designed to withstand seismic levels with a horizontal acceleration of up to 0.4m/s² and a vertical acceleration of up to 0.15m/s².