Product Overview
The floor-mounted demarcation switch integrated prepaid metering device is a product that changes the column high-pressure metering, switch, and control box to cabinet structure, which is composed of the integral pouring dry high-pressure metering box and ZW32F intelligent demarcation switch, and the box is produced by stainless steel or iron plate spraying material. This product is easy to install in the structure, beautiful appearance, the high-voltage part is isolated from the low-voltage meter room, and the high-voltage room can not be opened in the case of live equipment, and the high-voltage chamber door can only be opened in the case of power failure, which is safe and reliable. The product occupies a small area and is a combination of living areas, industrial and mining enterprises and box-type transformers. Personnel can directly open the door to view the bottom of the watch and operate the switch on the spot. The transformer is vacuum-cast with a fully enclosed epoxy resin, so there is no aging problem. The demarcation switch part adopts a vacuum switch and is equipped with a zero sequence and protection current transformer, which realizes zero sequence, overcurrent and quick break protection with the intelligent controller, and can automatically remove single-phase grounding faults and automatically isolate phase-to-phase short-circuit faults. Electricity safety for non-faulty users.
This product has the function of FTU, and realizes the remote control opening and closing of the switch; It also has GPRS remote control function (see "Intelligent Controller Description" below for details).
Conditions of Normal Use
a. The altitude does not exceed 3000m; Filth Level: Class IV.
b. Ambient air temperature: -40°C ~+40C; Diurnal temperature difference: diurnal variation of 25C.
c. Wind speed is not more than 35m/s; The intensity of the earthquake does not exceed 8.
d. No flammable, explosive hazard, chemical corrosion place.
Reference Standards
GB763-90
GB1207-1997
GB1208-1997
GB17201-1997
GB4208-93
GBJ63-90 "Code for Design of Electrical Measuring Instrumentation Devices for Electric Power Installations"
DL/T448-2000
DL/T566-95
JB5777.2-91 "General Technical Conditions for Control and Relay Protection Screens (Cabinets, Units) for Secondary Circuits in Power Systems"
GB/T1 1022 "Common technology for high-voltage switchgear and control equipment standards"
JB5777.3-91 "Basic test methods for control and relay protection screens (counters) for secondary circuits in power systems"
DL/T593-96 "Technical Conditions for Shared Ordering of High-voltage Switchgear"
GB/1984
GB/T1 1022 "Common technical standard for high-voltage switchgear and control equipment standards"
GB311.1 "Insulation Coordination of High Voltage Power Transmission and Transformation Equipment"
GB/T16927.1 "High Voltage Test Technical Part: - General Test Requirements"
GB3309 "Mechanical Test of High Voltage Switchgear at Room Temperature"
GB311.1-1997
SD109 "Regulations for the Verification of Electric Energy Metering Devices"
