Metal armored removable switchgear
Metal armored removable switchgear
• Complete test verification
• Reliable "five-proof" interlocking system
• Complete mechanical interlocking system
• Metal armored closed design, The entire cabinet’s protection level is IP4X
• Independent high-pressure compartment and low-voltage instrument compartment
• Door-closing interlocking enables door-closing operation
Product Introduction
KYN61-40.5 AC Metal-Armored Removable Switchgear is a new product jointly developed by our company and Xi'an High Voltage Electrical Equipment Research Institute. The cabinet is equipped with Use new fully insulated vacuum circuit breakers or sulfur hexafluoride circuit breakers. Moreover, the cabinet adopts an assembled structure, which makes the product beautiful in appearance, improves the matching accuracy between the handcart and the cabinet, can quickly organize production, assembly, and timely delivery, improves the utilization of the floor space required for assembly, and facilitates mass production, etc. Advantages: Closed-door operation is possible. All normal operations of the switch cabinet, including circuit breaker opening and closing, pushing the circuit breaker handcart to the working position and withdrawing it to the test and isolation position, can be performed with the high-voltage compartment door closed. This product complies with the requirements of GB3906 "3-5kV AC metal-enclosed switchgear" and IEC60298 "AC metal-enclosed switchgear and control equipment with rated voltage above 1kV and 2.5kV and below", and has complete mechanical interlocking.
Technical Parameters
| Item | Unit | Parameter | ||
| Rated voltage | kV | 40.5 | ||
| Rated current | A | 1250, 1600, 2000, 2500, 3150 | ||
| Main bus rated current (max) | kA | 3150 | ||
| Rated frequency | Hz | 50 | ||
| The main circuit is dynamic and thermally stable | Rated short-time withstand current (effective value) | kA | 25, 31.5 | |
| Rated short-circuit duration | s | 4 | ||
| Rated peak withstand current | kA | 63, 80 | ||
| The grounding switch is dynamic and thermally stable | Rated short-time withstand current (effective value) | kA | 31.5 | |
| Rated short circuit duration | s | 4 | ||
| Rated peak withstand current | kA | 80 | ||
| Car and cabinet sliding grounding dynamic and thermal stability | Rated short-time withstand current (effective value) | kA | 27.4 | |
| Rated short circuit duration | s | 2 | ||
| Rated peak withstand current | kA | 70 | ||
| Main circuit rated insulation level | Lightning impulse withstand voltage (peak value) | Same , Phase to ground | kV | 185 |
| Isolation fracture | kV | 215 | ||
| Power frequency withstand voltage (1min) effective value | The same, relatively | kV | 95 | |
| Isolation fracture | kV | 115 | ||
| Auxiliary circuit power frequency withstand voltage (1min) | kV | 2 | ||
| Rated short circuit breaking current | kA | 25, 31.5 | ||
| Rated short circuit Closing current | kA | 63, 80 | ||
| Operation sequence | minutes - 0.3s - combined and divided - 180s combined and divided | |||
| Ground resistance | μΩ | ≤1000 | ||
| Protection class enclosure/interior | IP4X/IP2X | |||
| Dynamic and static loads | N | ≤13000 | ||
Product size
| Cabinet size | Unit | Width*Depth*Height |
| KYN61A-40.5 | mm | 1200*2500(2650,3300)*2400(3300) |
| 1400*2600*2800 |
Features
Safety - complete test verification; reliable "five-proof" interlocking system; complete mechanical interlocking system; metal armored closed design, whole cabinet protection grade IP4X; independent high-voltage compartment and low-voltage instrument compartment; door-door connection Lock realizes door closing operation
Reliable - scientific double-bending and riveting technology for aluminum-zinc-clad panels; advanced production, processing and testing equipment; strict quality management system
Optimization - Equipped with a sealed pole-type vacuum circuit breaker; the cabinet structure adopts an assembled type, and the circuit breaker adopts a handcart floor-standing structure.
Innovation - A full range of circuit breaker chassis vehicles/propulsion mechanisms and grounding switches realize electric operation; the structure is highly versatile and has the functions of cable in (out) lines, overhead in (out) lines and left and right communication. Various solutions can be formed according to needs ; Intelligent components can be configured to achieve "self-perception, independent monitoring, and automatic early warning."
Product usage environment
Ambient temperature: The ambient air temperature does not exceed 40℃, and the average value measured within 24 hours does not exceed 35℃; minimum The ambient air temperature is -15℃
Environmental humidity : the average value of the relative humidity measured within 24 hours does not exceed 95%
The water vapor pressure measured within 24 hours The average monthly relative humidity does not exceed 2.2kPa
The monthly average relative humidity does not exceed 90%
The monthly average water vapor pressure does not exceed 1.8kPa
Altitude : Not exceeding 1000 meters
Seismic intensity: Not exceeding level 8
Installation location: The surrounding air is not significantly affected by dust, Pollution from smoke, corrosive and/or flammable gases, steam or salt spray
Severity under condensation and dirty operation: According to the Level 1 regulations in GB3906
Note: 1. When the relative humidity is greater than 70%, the heater should be turned on to prevent condensation
2. When the usage environment conditions are different from the above, the user should negotiate with the manufacturer
