VZP-U_vyh1/U_vyh2-I_vyh1/I_vyh2-Dn-UKHL4 Two-channel rectifier with independent transformers
The rectifier is equipped with an LCD display and LED indication on the door, RS485 ModBus RTU interface, discrete status outputs. Contains two step-down low-frequency transformers, protective input and output circuit breakers (can be optionally replaced with a disconnector), 2 rectifier power units, 2 independent control systems, reverse diodes.
Description
Purpose
Designed to charge acid or alkaline storage batteries and supply DC consumers. Can be used to supply DC voltage to operational circuits of complete substations and distribution points, emergency power supply systems of power supply devices. Similar devices can be connected to parallel operation for a common load and used in circuits with parallel redundancy. The devices are made with microprocessor control and have a built-in control and signaling system. Features
Features
- Natural cooling of the power unit and transformer;
- High overload capacity and fault tolerance;
- Galvanic isolation of DC circuits;
- Ability to work with sealed and classic storage batteries;
- Two-stage (I/U) battery charge, buffer recharging mode with temperature compensation;
- LCD display and push-button panel for entering VZP parameters on the cabinet door;
- Remote monitoring of the status via digital interface RS485, Ethernet;
Operating conditions
- Ambient temperature from -10 to +40°С, UHL3 versions with heating are possible;
- Relative air humidity up to 80% at +25°С;
- Storage temperature from minus 50 to plus 40°С;
- Working position in space – vertical;
Main technical characteristics
| Name | Value |
|---|---|
| Phase number | 3 |
| Nominal line voltage, V | 220/380 |
| Input voltage variation range, % | -15/+15 |
| Nominal AC frequency, Hz | 50 |
| Power factor at nominal output parameters, not less than | 0,9 |
| Nominal DC voltage, V | 24, 48, 60, 110, 220, 260 |
| Nominal DC output current, A | 10, 40, 80, 160, 180, 200 |
| DC voltage regulation range | (0,1…1,2)UnOhm |
| Voltage stabilization accuracy, not more than, % | 0,5 |
| Output current stabilization accuracy, not more than, % | 1 |
| Operating mode | Continuous |
| Protection class | IP21, IP31 |
| Service life, years | 20 |