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ELECTRICAL TESTING

Before high-power operation,
prove every electrical path is correct

From 15 rack DC branches to the PCS AC output, first verify polarity, continuity, protective earthing, equipotential bonding, auxiliary power, and critical switch timing, then allow the system to proceed to communications, functional, and performance verification.

The electrical test first proves that the system is safe to charge, then discusses functionality and performance.
DANGER
HIGH VOLTAGE
AUTHORIZED PERSONNEL ONLY
TEST IN PROGRESS
DO NOT ENERGIZE

ENERGIZATION PERMIT

TC-EN-2608-006-01 Scope:
POLARITY / GROUND / SWITCHING

Authorized by:
Chief Engineer / QA

Test Project / INTEGRATED Traveler

System Number TC-DEMO-ESS-2608-006
Test plan TC-DEMO-ETP-2608-006-R01
Test Bits ET-01
Current Scope POLARITY / GROUND / SWITCHING
Current Status TEST IN PROGRESS
Permission Status / Next ENERGIZATION CONTROLLED

01 The single line corresponds to the physical end.

15 × Battery Racks R01 – R15
DC-15-01 → DC-15-15
DC Combiner Fuses / Branches
CB-TB01 → CB-TB15
DC Protection SPD / Isolation
SPD-0001 / DC-BUS
PCS 1.25MW / 1200VDC
PCS DC(+/-)
AC Distribution 400VAC / 50Hz
AC-TB01 / L1-L2-L3
Grid / Load External Boundary
Energization Boundary
DC path
Communication Path
Control the signal.
Level / PE
Battery Rack: Rack output on 15 must match the system single-line, end-number and live secondary number, and it is prohibited to rely only on the location of the device.

02 Polarity and continuity of the 15th DC branch

Rack + Path - Path Δ%
R01: It's 28 millimeters, negative 27 millimeters, and the difference between paths meets the secondary balance.

03 Protect location to equal level

✓
✓
✓
✓
✓
✓
✓
Location 48 / 48
PE Main Path <100 mΩ
Overall determination PASS

04 Auxiliary power and safe circuits

L1-L2 399.8 V L2-L3 399.6 V L3-L1 400.1 V
50.01 Hz
PASS
Item Specification Results Actual Conclusions
Order L1-L2-L3 Correct. PASS
Communication power 400 VAC 400.1 V PASS
Single Assistive 230 VAC 229.7 V PASS
Direct current control power 24 VDC 24.12 V PASS
Control power Allow / Ban OK PASS
E-Stop link Closed loop &Normal PASS
Access-control interlock All doors. All closed. PASS
Fire-protection circuit Associated Inputs &Normal PASS

05 Precharge, contact and discharge time series

Prefill to 90% 6.4 s · PASS
Contact closed feedback 15 / 15 · PASS
Power discharge to & lt; 60V 42 s · PASS

07 Electrical chain of evidence

Serial number Authentication items Overwrite Instruments Records Conclusions
1 Electrical Path Recognition 126 / 126 TC-ID-100 Cable_2608-001 PASS
2 Polarity and continuity 15 / 15 TC-MO-100 Polarity_2608-002 PASS
3 Wee-wee electrical resistance. 15 / 15 TC-MO-100 Microohm_2608-003 PASS
4 protective earthing 48 / 48 TC-GB-200 Ground_2608-004 PASS
5 Secondary power Eight. TC-PA-500 AuxPower_2608-005 PASS
6 Insulation. 1 system TC-IR-1000 IR_2608-006 PASS
7 Precharge / discharge Full series TC-DSO-1000 Sequence_2608-007 PASS
8 Close NCR 1 item System records NCR_2608-010 PASS
Electrical path recognition: Line-by-line, end-line, physical path and equipment identity complete item-by-project mapping.
ELECTRICAL PATH VERIFIED
Test Engineer 2025-06-12 Tester
Quality Engineer 2025-06-12 QA
Project Manager 2025-06-12 Project

06 Protect Device Identity and Selective

F1-F15 1000VDC / 125A gPV SN: F250501-15
QF-DC01 1250VDC / 1600A SN: CB250401
KM-DC01 1250VDC / 1200A SN: KM250402
QF-AC01 1600A / 400VAC SN: ACB250301
QF-AC02 630A / 400VAC SN: MCCB250302
Device Identity 100% VERIFIED
Insulation. ≥100 MΩ
DC Repressure PASS
Detailed insulation and stress tolerance test

09 Standards and equipment

List of equipment Model Serial number Calibration expiration
Insulation tester. TC-MO-100 M0250S012 2025-12-12
Micro-Estretch Tester TC-GB-200 GB2504038 2025-11-28
Electric Quality / Power Analyser TC-PA-500 PA250S021 2025-12-05
oscilloscope TC-DSO-1000 DSO2502007 2025-11-15
Insulation. TC-IR-1000 IR2504009 2025-11-20
Sequence Table TC-PS-100 PS2504011 2025-11-22
A watch. TC-DMM-100 CT2504015 2025-11-30
ALL TEST EQUIPMENT WITHIN CALIBRATION

08 Release to Communications and Functional Test

ELECTRICAL PATH VERIFIED
✓
RELEASED TO COMMUNICATION / FUNCTIONAL TESTING ONLY: Electrical tests only demonstrate that path, polarity, protection, grounding and switch logic meets controlled electrical conditions. This StatusNot equal to FAT pass, not equal to performance validation, and not to allow direct access to high power..