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Secondary fusion complete ring cage

The first and second integrated complete set of ring net cage is a new type of modern power grid equipment formed by Hezong Co., Ltd. using a new generation of TPS series ring net cabinet and HZD300D series DTU, combined with advanced sensing measurement, information communication, analysis and decision-making, and automatic control technology. It has the functions of automatic alarm, emergency disposal, real-time operation monitoring, maintenance inspection and information monitoring, background data statistical analysis, etc, with advanced technical performance and light and flexible assembly solutions to meet the diverse needs of the market, it is widely used in distribution network automation systems.
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Product Parameters

Performance characteristics

1. High efficiency, high energy and high information interaction ability

2. Improvement of data acquisition accuracy

3, communication high reliability, interchangeability.

 

Technical parameters

Name

Parameters

Load switch cabinet

Combined electrical cabinet

Circuit breaker cabinet

Ring cage body

Rated voltage

12kV

Rated frequency

50Hz

Rated current

630A

125A

630A

Rated transfer current

-

1500A

-

Rated short-time withstand current

Main circuit

20kA/4s

-

20kA/4s

Earthing switch

20kA/4s

-

20kA/4s

Rated short-circuit closing current

Main circuit

50kA

80kA

50kA

Earthing switch

50kA

80KA

50kA

Mechanical life

Main switch

5000 times (SF6)/10000 times (vacuum)

10000 times

Earthing switch

3000 times

3000 times

Protection level

Gas chamber

IP67

Cabinet

IP4X

Shell

IP44

Distribution terminal DTU

Nominal value of voltage input

AC 100V or AC 220V optional

Nominal value of current input

AC 1A or AC 5A optional

Working power supply

DC screen in the station

DC220V/DC110V, single channel

No DC screen in the station

AC220V/DC220V, dual

Measurement and control capacity

(1) Capacity configuration: 4~16 circuit;

(2) Telemetry: fully equipped with 8 voltages and 48 currents;

(3) Remote mail: 120;

Remote control: fully equipped with 16 circuits (2 for each circuit: opening and closing).

Voltage measurement accuracy

0.5 level

Current measurement accuracy

The phase measurement value is 0.5 grade (≤ 1.2In), and the phase protection value is ≤ 3%(≤ 10In).

Remote communication resolution

≤ 2ms

Software anti-jitter time

2~60000ms can be set

punctuality accuracy

Every 24 hours error 2s

Installation method

Group screen/outdoor/shielded

Connection mode of DTU

Terminal block/aviation connector

Average trouble-free working time

≥ 50000

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