LZZB9-40-188(CQ)
Category:
LZZB9-40-188(CQ)
| Model Code |
L
|
Z
|
Z
|
B
|
9 | 40 | 188 |
CQ
|
| Encoding content |
Current transformer
|
Pillar
|
pouring type
|
With protection level
|
Design serial number
|
Maximum voltage of equipment
|
Width
|
Structure code
|
Technical parameters
| Rated primary current (A) | Rated secondary current (A) | Accurate Level Combination | Capacity (VA) | Rated short-time thermal current (kA/s) | Rated dynamic stability current (kA) |
| 100、200、300、400 | 1（5） | 0.2S/5P20 | 5/5 | 25 ka/1s | 63 |
| 600、750、800 | 1（5） | 0.2S/0.5/5P10 | 10/10/10 | 25 ka/3s | 63 |
| 1000、1200、1250、1500 | 1（5） | 0.2S/0.5/5P15 | 15/15/15 | 31.5 Ka/4S | 80 |
| 2000、2500 | 1（5） | 0.2S/0.5/5P20 | 20/20/20 | 31.5kA/4s | 80 |
Products meet the standard GB20840.1, GB20840.2, IEC61869-1, IEC61869-2
If users have special requirements, they can be determined after consultation with our company.
The above technical parameters are not the final technical commitment, please be confirmed by our technical personnel.
Product Information
Product Description
Indoor LZZB9-40-188(CQ) type epoxy resin cast insulation pillar type fully enclosed current transformer, suitable for power measurement, current detection and relay protection within 35kV and AC 50/60Hz, suitable for SF6 gas insulated switchgear.
Conditions of use
Installation location: indoor.
Ambient temperature:-25 ℃ ~ 40 ℃, daily average temperature is not more than 30 ℃.
Altitude: ≤ 1000m, higher altitude can be selected as required.
Humidity: The maximum relative humidity at room temperature is 95%.
There shall be no violent vibration or collision at the installation site.
Structural Overview
Pillar type, totally enclosed. Epoxy resin cast insulated current transformer.
The primary end is identified as P1-P2, and the secondary end is identified as 1S1-1S2,2S1-2S2...... This model has 16 secondary terminals and supports up to 4 secondary windings.
Technical Data
The installation site is free of gas, steam, chemical deposition, explosion and corrosive media that seriously affect the insulation of the transformer.
The electric voltage of the equipment is 35kV, and the maximum operating voltage is 40.5kV. Power frequency withstand voltage of 1. secondary winding and grounding 95kV/60s
Power frequency withstand voltage between secondary windings and grounding 3kV/1min.
Lightning impulse withstand voltage 200 kV.
Other requirements shall be in accordance with GB20840.1, GB20840.2, IEC61869-1 and IEC61869-2.
Application Case
Outdoor transformer application case
Outdoor transformer application case
Outdoor transformer application case
Outdoor transformer application case
We are a product technology development, production, sales, service, consulting as one of the high-tech joint-stock enterprises.
Contact Us
No.34 Huayu Road, Huaming Street, Dongli District, Tianjin
Mobile website