HXGN26-12(F) Combined Metal-clad AC Ring Main Unit Switchgear ( hereafter referred to as Ring Main Unit ) are designed and manufactured by ourselves by importing foreign advanced technology and accord with the requirement of power supply in our country.
Product Feature:
A. Main switch is FN26-12 SF6 load;
B. Three phases are end to end arrangement;
C. Two mechanisms: Manualmanual and motor drive;
D. Enclosure: Complete aluminum zinc coated steel plate;
E. Reliable 5 protection interlock system;
F. Easy control circuit connection between cabinets.
TypeCompact
Rated voltageKV35
Max system voltageKV38, 5
Power frequency withstand voltage
Phase - earth and phase - phase--KV75
Opened contactKV85
Lightning impulse withstand voltage
Phase - earth and phase - phase--KV180
Opened contactKV195
Short circuit withstand current (1s)KA20
Short-circuit current indicators (manual setting) for cable in and out
Capacitor voltage indicator
Conformity for remote contron in futureComply
Min. Thickness of metall shell of SF6 camera SF6 Mm
T-Plug for cables in and out
Elbow for cable to transformer
The annual relative leakage of gas-filled compartment
%/year£ 0, 1
|
Name |
Unit |
Data |
|
Rated voltage |
kV |
12 |
|
Rated frequency |
Hz |
50 |
|
Rated current of main busbar |
A |
630 |
|
Rated short-time withstand current of main circuit and earthing circuit. |
kA/s |
25/2 |
|
Rated peak withstand current of main circuit and earthing circuit. |
kA |
63 |
|
Rated short-circuit making current of main circuit and earthing circuit. |
kA |
63 |
|
Load switch full capacity breaking times |
times |
100 |
|
Fuse breaking current |
kA |
31.5 40 |
|
Mechanical endurance |
times |
10000 |
|
1min power frequency withstand voltage(r. m. s) phase to phase, phase to earth/isolating distance |
kA |
42/48 |
|
Lightning impulse withstand voltage (peak)phase to phase, phase to earth/ isolating distance |
kV |
75/85 |
|
Secondary circuit 1min power frequency withstand voltage |
kV |
2 |
Ningbo Ville Electric Co., Ltd. is a company specialized in research, development and production of transformer and high voltage & low voltage electrical power equipment.
It locates in Hi-technical enterprise R & D center zone of Ningbo, Zhejiang province, which is one of the well-know coastal city in China. Its professional engaged in turnkey project contractor of power substation, power plant project and electric power complete equipments.
Working field: Manufacturing, engineering, designing, executing and commissioning for HV and LV electrical products.
Products application:
Power-fossil fuel plant, Steel plant, Infrastructure- railway, international generation, substation, hydropower station, wind power substation, transmission and distribution.
We has excellent experience and good capacity in complete projects equipments in Generation, Substation, Transmission and Distribution from 400V-330kv, especially in Power plant, Substation construction and Transmission line, including of design, complete equipment, installation, Commissioningand after-sales service, and also design the complete Electrical Solutions according to customer's demand. We are mainly services to International State Power Board, Power Construction Contractor, Power Project Contractor, Factories and the Electric Power Project in the world.
In order to achieve the enterprise's strategic target---being stronger, larger, and superior, we continue to expand throughout the world's markets for power transmission and distribution area. And we also actively attach our team to competition, walking forward to the mission of "First-class worldwide electrical equipment supplier"
