WZTQ-66B Substation Branch Identification Instrument

The WZTQ-66B substation branch identification device consists of a main unit, a handheld extension unit, and related accessories. The communication between the main unit and the handheld extension unit adopts low-frequency zero crossing communication technology and pulse current detection technology. It can accurately identify the substation area, phase, and branch in the case of adjacent substations sharing high voltage, common ground, and common cable trenches.

Branch line identification instrument, user identification instrument, business census instrument, distribution substation (branch) identification instrument, bidirectional substation user identification instrument, distribution substation user identification instrument.

(1) Multi mode recognition method: Three recognition modes are available to meet different on-site needs.

(2) Branch recognition: It can determine the power branch (switch) to which a user belongs, making it more practical.

(3) Phase identification: It can determine which phase of a user's station area they belong to, and display intuitively.

(4) Line voltage drop display: It can display the outlet voltage of the host side (low voltage side of the transformer) and the 220V access port voltage of the tested user on the same screen, and obtain the voltage drop value on the user's power supply line, providing first-hand data for rational allocation and balanced load.

(5) Large storage capacity: It can store at least 800 sets of tested user information and can be accessed at any time.

Data export function: The host has a USB data interface that can export the information of all tested users, facilitating the organization and statistics of station information.

(6) The plastic shell of the host outer box is made of polymer impact resistant engineering plastic, which is a portable outer box with good mechanical properties and certain waterproof functions. It has a beautiful appearance, light weight, and is convenient for on-site use.

(7) Both the host and the extension adopt a large screen dot matrix LCD display, all displayed in simplified Chinese, with intuitive and easy operation at a glance.

(8) The whole machine is equipped with complete accessories, which can meet various needs on different sites.

(9) Multi mode identification method can accurately determine the user's distribution substation area or electrical circuit branch (switch), with a recognition accuracy of 100%, high signal strength, and long transmission distance.

(10) The configuration quantity of the host and extension is flexible. As the numbers of the host and extension can be set freely through the keyboard, it enables user identification of multiple distribution transformers (switches) in the power supply area under complex conditions.

(11) Both the host and the extension have memory function, and after setting the working mode once, there is no need to reset the working mode when restarting.

(12) It has the function of displaying port voltage, user terminal voltage, and line voltage drop on the same screen, which facilitates the comparison of voltage drop and provides reference for the reasonable allocation and balance of load.

(13) Both the host and the extension have the functions of power protection and alarm prompt for misconnection. When the 220V power supply is misconnected to 380V, the circuit will automatically determine and cut off the internal circuit, while emitting an audible and visual alarm prompt.

(14) There are two options for the host to operate the power supply: borrowing power from the test voltage line and installing an external DC power module.

(15) The main circuit of the host adopts a high-speed processor with strong data processing and storage capabilities, which can store at least 800 sets of test data and can be accessed at any time. The stored data results can also be exported through a USB data interface.

(1) Communication method: Low frequency zero crossing communication technology. Distance: 3km

(2) Current testing distance: ≥ 5km

(3) Working voltage: AC220V ± 10%, frequency 50Hz

(4) Host power consumption: ≤ 6W, extension power consumption ≤ 2W, working power consumption not exceeding 10W

(5) Voltage and current measurement accuracy: 1%

(6) Recognition accuracy: 100%

(7) Clamp type current transformer clamp diameter: 7mm (5A), 50mm (100A/500A)

(8) Working environment temperature: -30 ℃~70 ℃

(9) Working environment humidity: ≤ 93% RH