| Customization: | Available |
|---|---|
| Type: | Lightning and Overcurrent Protection |
| Structure: | Protection |
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Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.
| Input loop | 4 |
| Input range | DC 0~±20A |
| Reaction time | 1s |
| Measurement accuracy | Photovoltaic cell measurement 0.5 level, external analog 0.2 level |
| Temperature coefficient | 300ppm/ºC |
| RS485 communication | RS485/ModBus-RTU protocol, 4800/9600/19200/38400bps |
| Auxiliary function | |
| Relay output | 2 groups of normally open 5A/AC250V (5A/DC 30V) |
| On-off input | 2 groups of external state inputs (optically coupled or passive contact mode) |
| Analog input | Customizable |
| General Technical Parameters | |
| Temperature/humidity | Operating temperature :-25~+60ºC, humidity 95%, no condensation, no corrosive gas place |
| Altitude | ≤2000m |
| Insulation resistance | ≥100MΩ |
| Power frequency withstand voltage | Power // photovoltaic input // Relay output // Communication // Photocell voltage input --AC 2.5kV/1min (Note) Sensor input + switching input // Communication --DC1kV/1min |
| Auxiliary power | DC210~1200V |
| Rated DC Voltage Un (V) | Voltage Protection level Up(kV) |
| Un≤60 | <1.1 |
| 60<Un≤250 | <1.5 |
| 250<Un≤400 | <2.5 |
| 400<Un≤690 | <3.0 |
| 690<Un≤1000* | <4.0 |
| * Two low-voltage lightning protectors can be used in series to improve the voltage level, but the sum of the protection level of the two series lightning protectors should be less than 4kV | |
1) Meet the requirements of outdoor installation
2) At the same time can access 4 photovoltaic arrays, each with 15A,1000Vdc fuse (can be replaced with other grades)
3) Equipped with photovoltaic special high voltage lightning protection device, positive and negative terminals have lightning protection function
4) Four-pole DC circuit breaker with positive and negative poles in series; (Increase DC withstand voltage value)
5) Monitor the current of the input array, display the LED of the machine and output the current value through RS485
6) Monitor the voltage after the confluence, the local LED display and output voltage through RS485 mode.
The structure of the bus box and the manufacturing quality of the cabinet itself, the main circuit connection, the secondary line and the installation of electrical components should meet the following requirements:
1) The relevant parts and components of the rack assembly should meet their respective technical requirements;
2) The box should be firm and smooth, the surface should be smooth and smooth, no peeling, rust and cracks;
3) The rack panel should be flat, and the characters and symbols should be clear, neat, standardized and correct;
4) Signs, signs, marks should be complete and clear;
5) Various switches should be easy to operate, flexible and reliable.
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