DESCRIPTION
Hybrid Inverters for Distributed Micro-Grid Applications and Rural Electrification
In order to attend the growing demand for Rural Electrification and Distributed Generation based on Hybridising renewable and fossil power sources, Zigor has developed a range of Hybrid Inverters for medium and high power solutions, covering from 150 kVA to 1800 kVA and based on two different topologies: HITD (for small mini-grid and centralised systems) and HITD for those installations where it is more suitable to distribute the Generations Resources along the micro-grid. The Hybrid Inverter Range HITD has been specially designed to build distributed hybrid micro-grid, allowing sharing the electricity generation from several different sources based on renewable as well as other generating or storage sources.
The Hybrid Inverter Range HITD can also be connected to Fuel Generators so that avoids any blackout in the micro-grid in case the renewable generation cannot cover the load demand.
The Hybrid Inverter Range HITD is also capable to be connected to existing distribution grid. In these cases, the HITD Inverters will manage the energy flow between the micro-grid and the Distribution Grid. This functionality makes possible the energy return to the Distribution Grid when the generation exceeds the consumption as well as to work autonomously even if the Distribution Grid is not available. Additionally, the HITD Inverters can be installed with both Distribution Grid and Emergency Fuel Generator, being the HITD capable of selecting the Generation Source.
FEATURES
General technical features
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Hybrid System that allows the integration of different generation sources along the micro-grid, assuring the stability of the micro-grid either connected or isolated from a Distribution Grid |
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Nominal Power from 150 KVA to 1800 KVA (based on inverter modules of 100 KVA) |
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Compatible with the existing protection Systems already installed |
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Minimum Investment requirements and reduced operating costs |
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Maximum strength of the system |
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Compatible with other emergency generation Systems, like Generation Sets. |
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Allows the micro-grid Management through TCP/IP |
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Digital Management System DSP |
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Optional Air-conditioning for the battery cabinet |
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Backup time over 5 min depending on the load level |
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The HITD Hybrid Inverters are capable to discriminate whether any disturbance comes from the grid or from the load, staying on by-pass in case the disturbance is produced by the load |
> The HITD Hybrid Inverters consists of the following five basic systems
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Generation System (Hybrid Inverter HITD)
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Energy Storage System (Battery)
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Regulation and Control System (CONTROL V/F)
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Monitoring and Management System (SCADA)
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Additionally, the Hybrid Inverter HITD architecture allows the integration of PV Solar, Wind and Battery Generation Systems from ZIGOR: SUNZET, BATGEN, WINDZET.
ADVANTAGES
Advantages of the product
Hybridization
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Solar
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Wind power
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Mains
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Gensets
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Batteries
APPLICATIONS
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Hybrid generation
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Energy saving
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Telecom back up
MODELS
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HITD 150
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HITD 300
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HITD 450
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HITD 600
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HITD 750
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HITD 900
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HITD 1050
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HITD 1200
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HITD 1350
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HITD 1500
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HITD 1650
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HITD 1800
ARCHITECTURE
> The HITD Architecture admits the following operation modes, always assuring the energy demand of the load:
MONG: On-grid mode: micro-grid connected to a Distribution Grid
+R: Integrated Renewable Generation Sources
+FH2: Integrated Generation Systems
+ADM: Active Management of generation/demand
MOFG: OFF-grid mode: micro-grid isolated from Distribution Grid
+R: Integrated Renewable Generation Sources
+FH2: Integrated Generation Systems
+ADM: Active Management of generation/demand
MNET: Hybrid Mode: bidirectional energy flow between Distribution Grid and Micro-grid
+R: Integrated Renewable Generation Sources
+FH2: Integrated Generation Systems
+ADM: Active Management of generation/demand
Products 
Documents
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The range of HITC hybrid inverters is designed to meet power requirements in locations not covered by the grid, hybrid rural electrification and distributed generation. The main feature of hybrid HITC inverters is that they are capable of generating electricity from Solar or Wind resources, from Batteries, from the Grid or Genset.