Centralized flexible energy storage system HLL-GFM Grid-Forming Converter
Creatively propose a brand-new energy storage system circuit topology and control architecture to achieve intrinsic safety at the electrical topology level.
Category:
Centralized flexible energy storage system
Keyword:
Energy storage
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Tel：+86 0592-3752608
Email：wangwei@heespower.com
- Product Description
-
Product Features
Grid-Forming Energy Storage
Possesses inertia and short-circuit current support functions; Possesses active damping control function; possesses all-system equipment 3 times/10s Overcurrent capacity.
High Reliability
A single battery module failure will not cause battery cluster or container shutdown; a single component failure will not cause the entire energy storage system to shut down.
Multi-functional
Peak shaving and valley filling, demand management, response dispatch; peak regulation, frequency regulation, backup power, black start.
High Efficiency
Zero series capacity loss, zero parallel circulation; overall cycle efficiency reaches 87%~90%.
High Safety
1. Inherently safe electrical topology design, PACK level charge and discharge control, preventing batteries from operating in overcharge or overdischarge states from the source;
2. PACK level active fault isolation, preventing faulty or sub-healthy batteries from operating with defects;
3. Flexible interconnection within and between battery clusters, full current (≥157A) within and between clusters balancing.
Product System Architecture
Product Technical Specifications
HLL5000-0.5P-GFM Series Flexible Energy Storage System Typical Configuration
Product Model
HLL5000-0.5P-GFM
Rated Battery Capacity
5.015MWh (total 12 battery clusters, each cluster 418kWh, configurable to 6~12 battery clusters to achieve 2.5MWh~5MWh)
Rated AC Charge/Discharge Power
2.5MW
Grid Overload Capacity
All-system equipment 3 times/10s overcurrent capacity
Number of Battery Containers
1
Boosting Integrated Unit
1 (configured with 2 2.5MW PCS)
Grid Support Capability
Provides inertia and short-circuit current support, with primary frequency regulation and active voltage regulation functions, active damping control function, and black start capability
Battery Container HLL5000-0.5P-GFM Parameters
Rated Capacity
5015kWh
Depth of Discharge
≥95%
Cell Type
LFP-314Ah
Installation Location
Outdoor
Number of Cells
4992
Protection Level
No less than IP54
Number of Battery PACKs
48
Operating Temperature Range
-30℃~+50℃ (derated above 45℃)
Battery PACK Grouping Method
1P104S
Operating Humidity Range
0%~95% (non-condensing)
Battery PACK Connection Method
Flexibly connected in series via a full-current controller
Maximum Altitude
≤4000m
Balancing Current between Battery PACKs
157A full-current balancing
Communication Interface
Fiber optic/CAN/RS485
DC Voltage Range
1019.2V-1497.6V
Cooling Method
Liquid cooling
Charge and Discharge Rate
≤0.5P
Dimensions (W×D×H)
6538×2800×3000mm
Weight
≤50t
Charge and Discharge State Control Granularity
Each 1P52S battery module is independently controlled
PCS Inverter and Boosting Integrated Unit Typical Parameters
Rated Power
2.5MW
DC Voltage Range
1000~1500V
Rated Grid Voltage
10-35kVac
Rated Grid-connected Voltage
690V
Maximum System Efficiency
99.03%
Rated Grid Frequency
50Hz
Protection Level
IP65
Maximum Efficiency
99.03%
Operating Temperature Range
-36~60℃ (>45℃ derated)
Power Factor
>0.99 (>20% load)
Allowable Humidity Range
0~100% (no condensation)
Isolation method
Transformer isolation
Operating altitude
5000m (>3000m derating)
Overload capacity
3 times/10s overcurrent capacity
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