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OFF-GRID & REMOTE POWER PROJECTS

In an environment far from the electricity grid,
Keeping energy systems autonomous and sustainable

The off-grid and remote power supply projects must simultaneously address energy autonomy, renewable energy volatility, diesel bottoms, communication failures, heavy logistics, extremes of the environment and long-term maintenance, and create a closed engineering loop that can be sustained over time.

DEMO PROJECT TC-DEMO-PROJ-RM-5064
5.064MWh / 1.25MW DEMO
Altitude Offline Lightwood. Remote O&M LOCAL AUTONOMOUS OPERATION
SURVEY
Route survey Road and bridge conditions
TRUCK
Heavy transportation Special vehicle transportation
CRANE
Hanging. Hanging radius and foundation
INST
Equipment in position. Base & Connect
SYS
System debugging Convergence and Testing
TRAIN
Shipping and Training Delivery to local team

01 Constraint Map CONSTRAINT ATLAS

ROAD

Roads and accessibility

Mountain roads, gravel roads, bridges and seasonal traffic.

TRUCK

Heavy transportation

The heavy equipment, the route and the vehicle must be determined in advance.

LIFT

Hang and position.

The suspension radius, ground load and equipment station are restricted.

SPARE

Spare parts delivery cycle

Overseas / Remote Supply Chain, long delivery cycle.

TEMP

High temperature / severe cold

-30°C to +40°C for environmental adaptation design.

ALT

Altitude

About 4,000 m, equipment reduction and insulation correction.

DUST

Dust/ Desert

Strong winds, sand and low humidity affect long-term reliability.

COM

Communications network

Satellite / web / cellular, network cannot be considered permanent online.

Roads and accessibility: Remote projects are first and foremost subject to road level, bridge carrying, curve radius and seasonal traffic, and equipment sizes are subject to the transport boundary.

02 Physical architecture: single line of mixed energy systems Figure PHYSICAL HYBRID ONE-LINE

PV Optical Array 1.10MWp Wind power generation 1.00MW Generator diesel generator 1.25MW / 1.56MVA BESS Energy Storage System 5.064MWh / 1.25MW Microgrid controller + EMS + PCS + BMS Critical Loads Critical load 1.00 MW Flexible Loads Portable load 0.00-0.70 MW DC Communication AC Load AC

• Autonomy logic 24-hour autonomy closed loop

FORECAST
Projections Weather and load projections
SOC
SOC budget Set up a safe reserve.
RE
3. Renewable energy priorities Maximize PV and wind utilization
GEN
4. Diesel start-up Optimizing the energy gap
LOAD
5. Load priority Prioritize critical loads
ADAPT
6. Dispatch rolling Reprogramming in real time
The forecast optimizes the implementation of feedback and then predicts the creation of a 24-hour local closed loop that does not depend on continuous online services from outside.

04 Project Run Results DEMO Operational Data Overview

GEN Average operation of diesel engines 6.1 h Per 24h (DEMO)
RE Renewable energy contributions 82.7% Photovolt + wind
SOC BESS Average SOC 61.3% Run a safe window
LOAD Critical load security rate 100% DMO run cycle
FUEL Diesel dependency 28.4% DEMO estimates

05 Resilient state RESILIENCE STATES

N-1
N-1 Redundancy Design

Maintenance of critical functions after critical equipment has failed.

FAIL
Component not available

Automatic reduction, system maintenance.

OFF
Network Break

Local strategy execution, not dependent on cloud-based continuous online.

BLACK
Black Start

The BESS support system is activated autonomously.

SAFE
Critical load protection

Prioritize the retention of critical medical / communications / process loads.

FLEX
Controlled load policy

Classify by strategy to restore non-critical loads.

N-1 redundancy design: Critical auxiliary systems and power-control power are redundant according to the principle of maintaining critical functions after failure.

06 Heavy logistics and deployment process HEAVY LOGISTICS & DEPLOYMENT

1. Route survey Roads, bridges and slopes confirmed
Heavy transport Delivery of equipment in batches
3. Site base Basic construction and ground load
4. Containers in position Hanging, positioning and fixing
5. Temperature and cooling HVAC installation and testing
6. System connectivity Function and Protection Test
7. Shipping and Trading Local Team Transport

07 Local autonomy in case of interruption of communications

Even if the long-range link is completely disrupted, the power station must maintain predictable, safe and retroactive operation.
LOSS 1. Communication loss detection Chain status confirmed.
MODE 2. Switching local strategies Enter Local Mode
CTRL 3. Local controller takeover Autonomy strategy execution
LOAD 4. Safeguarding critical loads Maintaining security.
STORE 5. Events and data caches Store & Forward
SYNC 6. Chain restoration synchronization Log and Status Return
Current presentation status: LOCAL AUTONOMY READY

08 Maintenance plan MAINTAINABILITY PLAN

It's fine. Maintenance position reserved during design phase
Key modules can be replaced Modularization replacement reduced complexity of on-site maintenance degrees
Tools and PPE Professional tools and security equipment
Plan an inspection. Periodic check with Preventive Maintenance
Remote expert synergy Remote Diagnosis + Local Execution
Emergency critical spare parts Early presence of key modules
Accessible space: The key maintenance positions inside and outside the cabinet are reserved for sufficient operational space to avoid the need to dismantle the adjacent system for on-site maintenance.

09 Representative project: TC-DMO-PROJ-RM-5064

System configuration

BESS Capacity 5.064MWh
BESS rated power 1.25MW
Photovoltage 1.10MWp
Fan capacity 1.00MW
Diesel generators 1.25MW / 1.56MVA
Critical load 1.00MW
Exchange voltage Level 400V / 690V
Site Altitude About 4,600 m
Ambient temperature -30°C ~ +40°C
Run Mode Satellite / Network + Local Autonomy

Autonomy test DEMO

  • 72 hours of continuous autonomy testing
  • Reconfirmation of intermittent interruption of communication links
  • Maximizing the operation of renewable energy
  • 100 per cent continuous supply of critical loads

Run Evidence Component

10 Project files and contingency plans

DES System design file SGS / SLD / Calculating Book
DATA Device Specifications / Manual
INST Install & Debug Scheme Steps and checklists
O&M Operation and maintenance manual O&M Manual
SPARE List of spare parts Key spare parts strategy
ERP Contingency plan Fault and recovery process
Definition of completion of remote offline projects: Not "there's electricity at the scene," but... Resource Forecast → Renewable Priority → BESS Buffer → Diesel Backup → Critical Load Protection → Local Autonomy → Maintainability → Evidence All set up, and the system is in Network disruption, extreme environments, reduced equipment and limited maintenance resources It remains safe, predictable and sustainable.