
Ⅰ. Changamoto za Nishati na Thamani ya Kuhifadhi Nishati katika Maeneo ya Ununuzi
Kama majengo ya biashara yenye matumizi makuu ya nishati, maeneo ya ununuzi huonyesha sifa tofauti za matumizi ya nishati:
Mfumo wa kuhifadhi nishati hutokomeza gharama za umeme kati ya 20%–40% na kuongeza uhakika wa grid kupitia tiga muhimu ya shughuli: kutokomeza gharama za mwezi, kudhibiti mahitaji, na huduma ya dharura.
Ⅱ. Mbinu ya Kutengeneza Umoja wa Mfumo
1. Usimamizi wa Vifaa
|
Sehemu |
SPECIFICATIONS TECHNICAL |
Fanya |
|
Bata (ESS) |
LFP Cells (Cycle life ≥6,000 cycles) |
Usalama mkubwa, muda mrefu; inasaidia miaka miwili ya kunyanyasa/kurudisha kila siku |
|
Bi-directional PCS |
Inverter wa kiwango cha juu (Response <10ms, ≥95% efficiency) |
Mbadiliko AC/DC; kubadilisha kwa urahisi grid-tied/off-grid |
|
Panel ya Kupanua Sahihi |
Auto-switching ya vituo vingine |
Hufafanulia nishati kwa nyuzi muhimu (mfano, fire control, cold chain) |
|
Mfumo wa Kudhibiti Nishati (EMS) |
AI-driven load forecasting & strategy optimization |
Hukagua kwa undani mipaka ya kunyanyasa/kurudisha ili kuboresha ROI |
2. Mfumo wa Utaratibu
• Integretion Inafanikiwa: Inasupporta DC coupling na solar PV au AC coupling na grid, inaweza kutumika kwa majengo mpya au yanayotumika.
• Utaratibu wa Viwango vingine: Mifumo ya moto yanafanya kazi bila mlingana (≥3 masaa ya dharura) ili kuhakikisha utaratibu wa kutoa.
Ⅲ. Shughuli Muhimu na Mazingira ya Kutumia
1. Kuboresha Gharama za Fedha
• Kutokomeza Gharama kati ya Mwaka na Mwezi: Kunyanyasa wakati wa usiku (0:00–8:00) & kurudisha wakati wa siku; IRR inafikia 13%–20%.
• Kudhibiti Gharama za Matumizi: Kusawasha mikoa ya umeme, kukurugenza gharama za transformer (kwa watumiaji >315kVA).
• Mapato ya Kudhibiti Matumizi: Kushiriki katika programu za kugawa umeme.
2. Kuboresha Uhakika
• Huduma ya Dharura: Kuswitch off-grid <10ms; hakuna kujitenga kwa vito/mifumo ya usalama.
• Kuboresha Ubora wa Umeme: Kurekebisha voltage sags/harmonics kubainisha vifaa vilivyovunjika (mfano, data centers).
3. Integretion ya Nishati ya Hijau
• PV-Storage-Charging Integration:
o Solar ya juu la kitumba → ESS husaidia nishati iliyobaki → inapewa vifaa vya kurudisha.
o Huongezeka kwa upanuzi wa nishati ya mapumziko hadi 80%, kukurugenza gharama za carbon.
Ⅳ. Mbinu ya Kudhibiti Smart
|
EMS Core Algorithms |
Strategy |
Implementation |
Benefit |
|
Dynamic Peak-Valley Dispatch |
Optimizes charge/discharge timing using TOU tariffs & load forecasts |
2 daily cycles; maximizes revenue |
|
|
Demand Control |
Real-time load monitoring; ESS offsets peaks |
Reduces transformer upgrade costs |
|
|
Multi-objective Optimization |
Balances cost (price gaps) vs. battery lifespan (cycle counts) |
Extends system life to 10 years |
Ⅴ. Utatuzi & Tathmini ya ROI
1. Mchakato wa Upatikanaji
2. Modeli ya Ripoti ya Malipo
|
Item |
Value |
Description |
|
CAPEX |
¥1.2–1.5/Wh |
Includes equipment, installation, grid access |
|
Annual Revenue Structure |
||
|
Peak-Valley Revenue |
60%–70% |
Price gap up to ¥0.8/kWh |
|
Demand Charge Savings |
20%–30% |
Reduced transformer capacity fees |
|
Payback Period |
5–7 years |
IRR >12% (incl. subsidies) |
Ⅵ. Ubunifu: Kutoka Kwa Ufanisi Had