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Outdoor floor-type prepaid metering device 1
Outdoor floor-type prepaid metering device 1

Outdoor floor-type prepaid metering device

Overview

floor-standing demarcation switch integrated prepaid metering device is a product that changes the high-voltage metering, switching and control box on the column into a cabinet structure. It is composed of an integral pouring dry high-pressure metering box and ZW32F intelligent demarcation switch. The box is made of stainless steel or iron plate plastic spraying material. This product is easy to install in structure and has beautiful appearance. The high-voltage part is completely isolated from the low-voltage meter room, and the high-voltage room cannot be opened when the equipment is charged. The high-voltage room door can be opened only when the power is cut off, which is safe and reliable. The product occupies a small area, is the living area, industrial and mining enterprises and box-type transformer supporting the use of the perfect combination of products. Personnel can directly open the door to check the bottom of the meter and operate the switch locally. The transformer adopts fully enclosed epoxy resin vacuum casting, so the aging problem is eliminated. The demarcation switch part adopts vacuum switch and has zero sequence and protection current transformer. It realizes zero sequence, overcurrent and quick break protection with intelligent controller, and can realize automatic removal of single-phase ground fault and automatic isolation of phase short circuit fault. Ensure electrical safety for non-fault users. This product has FTU function to realize remote switching and closing. It also has GPRS remote control function (see "Description of Intelligent Controller" below for details).

normal conditions of use

a. The altitude shall not exceed 3000m; pollution grade: grade IV.

B. ambient air temperature:-40 ℃ ~ 40 ℃; daily temperature difference: daily variation of 25 ℃.

c. The wind speed is not more than 35 m/s; the earthquake intensity is not more than 8.

d. There is no flammable, explosive hazard and chemical corrosion.

Reference Standard

GB763-90 "heating of AC high-voltage electrical appliances during long-term working hours"

GB1207-1997 Voltage Transformer

GB1208-1997 Current Transformer

GB17201-1997 Combined Transformer

GB4208-93 Enclosure Protection Level

GBJ63-90, Code for Design of Electrical Measuring Instrumentation of Power Installations

DL/T448-2000 Management Specification for Electric Energy Metering Device

DL/T566-95 Technical Conditions for Voltage Devoltage Timer

JB5777.2-91 General Technical Conditions for Control and Relay Protection Screen (Cabinet and Station) for Secondary Circuit of Power System

GB/T11022 "common technology of high voltage switchgear and control equipment standard"

JB5777.3-91 Basic Test Method for Control and Relay Protection Screen (Counter) for Secondary Circuit of Power System

DL/T593-96 Technical Conditions for Common Ordering of High Voltage Switchgear

GB/1984 AC High Voltage Circuit Breaker

GB/T11022 "common technical standards for high voltage switchgear and control equipment standards"

GB311.1 "insulation coordination of high voltage transmission and transformation equipment"

GB/T16927.1 High Voltage Test Techniques Part 1: General Test Requirements

GB3309 "mechanical test of high voltage switchgear at room temperature"

GB311.1-1997, Insulation Coordination of High Voltage Transmission and Transformation Equipment

SD109 Verification Regulation of Electric Energy Metering Device

Floor-type intelligent prepaid high-voltage metering box (demarcation switch integrated prepaid metering device) outline structure diagram:

5.0
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