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CHS2-30k～50k 三相オールインワン蓄電システム

CHS2-30k～50k 三相オールインワン蓄電システム
CHS2-30k～50k 三相オールインワン蓄電システム
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ホーム » 製品 » CHS2-30k～50k 三相オールインワン蓄電システム

技術仕様

交流電源 29.9kW～50kW
インバータの種類 オールインワン型ハイブリッドエネルギー貯蔵システム
MPP電圧範囲 180～850ボルト
MPPトラッカー 4～6（機種により異なる）
フェーズ 3
コミュニケーション Wi-Fi、イーサネット、RS485
1パッケージあたりの個数 1箱につき1個、1パレットにつき1個
保証 10年
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商品説明

SAJ CHS2 30 – 50 kW All-in-One C&I ESS

A fully integrated, pre-installed energy storage solution for small commercial and industrial applications.
The CHS2 combines a 30–50 kW hybrid inverter with up to 100 kWh of LFP battery storage in a single, outdoor-rated IP55 cabinet.
～とともに 200% DC oversizing, 6 MPPTs, and seamless generator integration, it delivers high revenue and ultimate safety with minimal on-site work.

デザイン
Size (H×W×D) 1980 × 988 × 1065 mm
重量 1035 – 1365 kg (depending on battery capacity)
冷却 Air conditioner
添付資料 IP55 (Cabinet), IP66 (Inverter)
PVおよびACの仕様
定格交流電力 30 kW / 50 kW
最大太陽光発電出力 60 – 100 kWp DC (200%)
MPPT / ストリング 4 × 2 (30 kW) / 6 × 2 (50 kW)
MPPT範囲 180 – 850 V
最大ストリング電流 22.5 A (45 A per MPPT)
グリッド出力 3L+N+PE, 380/400 V
UPSバックアップ 30 kVA / 55 kVA
最大効率 98.0 %
バッテリーの仕様
化学 LiFePO4 (280 Ah C&I cells)
容量 57 / 72 / 86 / 100 kWh
最大充電／放電 140 A
Special Features Cabinet-level fire protection, CO & smoke detection
スマート機能
  • Intelligent scheduling for peak shaving & demand response
  • Seamless diesel generator integration
  • AC coupling ready for system retrofits
  • Core health warning and advanced thermal management
  • Wi-Fi / Ethernet / RS485 for VPP integration
安全・保護
  • Standard AFCI to prevent DC arc faults
  • Type II AC & DC surge protection
  • 能動型孤立運転防止、交流短絡および過負荷保護
  • Complies with VDE4105, CEI 0-21, EN50549, AS4777.2, G99
設置・メンテナンス
  • Fully pre-installed and debugged in the factory
  • Ground-mounted cabinet for fast deployment
  • eSAJ Homeアプリで数分で手数料を支払う
  • SAJのグローバルサービスネットワーク
保証
標準カバー 10年
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活用 事例

この製品が、 さまざまな実生活での場面でどのように活用できるかをご覧ください

The mid-sized facilities

対象者： Small to medium-sized manufacturing plants, workshops, or agricultural facilities with heavy daytime machinery loads and a need for stable, high-quality power.

What CHS2 changes: It drastically cuts daytime grid consumption by powering machinery directly from a large PV array (up to 100 kWp). The integrated battery stores surplus energy to shave evening peaks and provides robust backup for critical control systems, preventing costly production halts during grid failures.

Typical loads & priorities (example):

読み込み Power (kW) Energy Source Priority
CNC Machines / Welders 20–40 1. Solar / 2. Grid
Lighting & HVAC 5–15 1. Solar / 2. Battery / 3. Grid
Control Systems & Servers 1–3 UPS Backup (Solar/Battery)
Diesel Generator (DG) Up to 50 Backup for extended outages

How it runs (Peak Shaving & Backup Mode):

Working Hours:  PV → Power all loads; surplus → Charge Battery
Evening Peak:   Battery → Power essential loads (security, servers)
Grid Outage:    Battery → Instantly power backup circuits; DG can support/recharge

Sizing guide (for reference):

  • A 50 kW / 100 kWh CHS2 system paired with a 100 kWp PV array can cover a significant portion of a factory’s daytime energy needs, saving thousands on electricity bills.
  • The 100 kWh battery can provide over 3 hours of full 30 kW backup power, ensuring a safe shutdown or continued operation of critical processes.

“Our electricity bill was our biggest overhead. The CHS2 now covers most of our daytime power, and the backup function has already saved a production batch during a grid fault.”

CHS2-30k-50k-all-in-one-energy-storage-solution-application-Manufacturing Facility
Commercial Building & Office Park

対象者： Multi-tenant office buildings, retail centers, or private schools that want to reduce common area energy costs, offer EV charging as an amenity, and provide tenants with reliable power.

What CHS2 changes: It transforms a passive roof into an active energy asset. The system powers daytime loads like HVAC and lighting, stores energy for evening security and common areas, and can be integrated into a VPP program for additional revenue. The all-in-one design simplifies installation and maintenance.

Typical loads & priorities (example):

読み込み Power (kW) Energy Source Priority
Central HVAC System 15–30 1. Solar / 2. Grid
Office Lighting & Power 10–20 1. Solar / 2. Battery / 3. Grid
Elevators & IT Infrastructure 5–10 UPS Backup (Solar/Battery)
EV Charging Stations 22+ Managed by EMS (Solar/Grid)

How it runs (Time-of-Use & VPP Mode):

Daytime:      PV → Power building loads; surplus → Charge Battery
Evening:      Battery → Power common areas/security; participate in VPP events
Grid Outage:  Battery → Instantly power backup circuits (IT, emergency lights)

Revenue guide (for reference):

  • A 50 kW / 100 kWh system can significantly reduce a building’s demand charges by shaving peaks.
  • By participating in Virtual Power Plant (VPP) programs, the stored energy can be sold back to the grid during high-demand events, creating a new revenue stream.

“The CHS2 was a smart investment. It lowered our operating costs and the VPP income is a welcome bonus. Our tenants appreciate the reliable power and green credentials.”

CHS2-30k-50k-all-in-one-energy-storage-solution-application-Commercial Building
Remote Community & Off-Grid Resilience

対象者： Remote communities, eco-resorts, or critical infrastructure sites with an unreliable grid connection or a complete off-grid requirement.

What CHS2 changes: It creates a stable, self-sufficient microgrid. The system can operate as the primary power source, storing massive amounts of solar energy for 24/7 use. The seamless diesel generator (DG) integration ensures that power is always available, even during extended periods of bad weather, with the DG running only when necessary to save fuel.

System components & roles (example):

コンポーネント Role
PV Array (e.g., 80 kWp) Primary energy source; powers loads and charges battery
CHS2 Battery (e.g., 100 kWh) Stores daytime energy for night use and cloudy days
Diesel Generator (e.g., 50 kW) Backup source; recharges battery when solar is insufficient
Community Loads Powered 24/7 by the microgrid

How it runs (Off-Grid Mode):

Sunny Day:    PV → Power loads; surplus → Charge Battery
Night/Cloudy: Battery → Power loads
Low Battery:  CHS2 automatically starts DG → Power loads & recharge Battery
Full Battery: CHS2 automatically stops DG to save fuel

Resilience guide (for reference):

  • A 100 kWh battery can sustain a 10 kW average load for nearly 9 hours without any solar or DG input.
  • The intelligent DG control can reduce generator runtime by over 80% compared to a traditional DG-only system, massively cutting fuel costs and emissions.

“We finally have reliable, 24-hour power. The CHS2 runs silently on solar and battery most of the time, and the generator only kicks in when absolutely needed. It’s a game-changer for us.”

CHS2-30k-50k-all-in-one-energy-storage-solution-application-remote-community

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What is CHS2 (30–50 kW) and why do installers choose it for small C&I?

At a glance

  • All-in-one cabinet: three-phase hybrid inverter + high-voltage LFP battery + BMS + AC/DC protection.
  • Power classes: 30 kW (T4, 4 MPPT) and 50 kW (T6, 6 MPPT).
  • Battery options (usable): 51.5 / 64.4 / 77.3 / 90.2 kWh.
  • PV side: up to 60 kWp (30 kW) or 100 kWp (50 kW), 180–850 V MPPT, 1000 V max.

Design choices that reduce site time

  • Factory-integrated wiring, DC/AC Type II SPD, AFCI, anti-islanding (AFD).
  • 6 MPPT option and 22.5 A string current — pairs well with 210-cell high-power modules.
  • DG (diesel generator) input and dry-contact control built in.
  • Cabinet IP55 with active cooling; inverter section IP66.
モデル MPPT PV @ STC Usable battery (kWh) Cooling / Ingress
CHS2-30K-T4-X 4 60 kWp 51.5–90.2 Air-conditioned / IP55 (cabinet), IP66 (inverter)
CHS2-50K-T6-X 6 100 kWp 51.5–90.2 Air-conditioned / IP55 (cabinet), IP66 (inverter)
How do I plan PV strings and battery size for CHS2?
PV side (quick rules)
  • Voltage window: 180–850 V MPPT; 1000 V max.
  • Per-string current: up to ~22.5 A (supports high-current 210-cell modules).
  • Strings per MPPT: 2; balance strings by irradiance and length.
Battery side
Pack option Usable (kWh) Modules Charge/Discharge (A)
CB2-57.3-HV5 51.5 4 140
CB2-71.6-HV5 64.4 5 140
CB2-85.9-HV5 77.3 6 140
CB2-100.3-HV5 90.2 7 140

Runtime math (simple)

Runtime (h) ≈ Usable battery (kWh) ÷ Load (kW)
  • 64.4 kWh usable → ~3.2 h at 20 kW essential load.
  • 90.2 kWh usable → ~4.5 h at 20 kW; ~1.6 h at 55 kVA peak is not continuous.
ヒント： For mixed roof aspects, spread strings across MPPTs by orientation (e.g., 2× east, 2× west) to keep trackers inside the 180–850 V window during morning/evening.
What protections and safety layers are built in?
Layer 機能の説明
AFCI (PV arc-fault) Cuts DC side on arc signature to reduce fire risk.
Type II SPD (DC/AC) Limits surge energy from lightning or switching events.
AFD anti-islanding Stops feeding a dead grid during outages.
RCMU Residual-current monitoring for leakage detection.
Cabinet sensors CO/smoke/temperature/humidity/water sensors; triggers alarms and protection.

Everyday effect

  • Backup output THDv < 3% for sensitive IT/POS loads.
  • 100% three-phase voltage imbalance tolerance on backup.
  • Emergency stop and 12 V output available for fast-shutdown accessories.
What backup power can CHS2 deliver, and can I use a diesel generator?
モデル Backup apparent power 5-s surge Voltage / Freq THDv
30K-T4-X 33 kVA 45 kVA 3L+N+PE, 380/400 V; 50/60 Hz <3%
50K-T6-X 55 kVA 75 kVA 3L+N+PE, 380/400 V; 50/60 Hz <3%

Runtime shortcut

Runtime (h) ≈ Usable battery (kWh) ÷ Average load (kW)
51.5 kWh usable → ~2.6 h @ 20 kW
90.2 kWh usable → ~4.5 h @ 20 kW

Generator use

  • Dedicated GEN input (3L+N+PE, 380/400 V; 50/60 Hz).
  • Start/stop dry contact available; set timing in control menu.
  • Match generator kVA to backup load + charging current; allow margin for motor inrush.
What does commissioning and monitoring look like on CHS2?
Ports & comms (RJ45 map)
  • LAN, RS485 (meter/parallel), CAN (BMS/EMS), dedicated EMS, RCR/DRM inputs.
  • Meter (RS485) for import/export control; CT orientation arrow toward inverter.
  • Wi-Fi/Ethernet/4G module slot for cloud.
Commissioning steps (summary)
  1. Power on DC/AC and main switch; check front LEDs.
  2. Use eSAJ Home App (BLE → Wi-Fi/Ethernet/4G) to bind and set grid code.
  3. Verify meter RS485 A/B and CTs; confirm live data and phase order.
Utility control
  • Export/generation limit via app.
  • RCR/DRM inputs for dispatch (e.g., Germany/AU requirements).
  • Fixed PF / Volt-Var / Volt-Watt modes as per local code.
LED panel: per-icon meanings for Grid/PV/Battery/Backup/Communication/GEN; red ring + code indicates alarm.
What does Sunriver Electric include to make CHS2 projects easier to quote and deliver?
Ports & comms (RJ45 map)
  • LAN, RS485 (meter/parallel), CAN (BMS/EMS), dedicated EMS, RCR/DRM inputs.
  • Meter (RS485) for import/export control; CT orientation arrow toward inverter.
  • Wi-Fi/Ethernet/4G module slot for cloud.
Commissioning steps (summary)
  1. Power on DC/AC and main switch; check front LEDs.
  2. Use eSAJ Home App (BLE → Wi-Fi/Ethernet/4G) to bind and set grid code.
  3. Verify meter RS485 A/B and CTs; confirm live data and phase order.
Utility control
  • Export/generation limit via app.
  • RCR/DRM inputs for dispatch (e.g., Germany/AU requirements).
  • Fixed PF / Volt-Var / Volt-Watt modes as per local code.
LED panel: per-icon meanings for Grid/PV/Battery/Backup/Communication/GEN; red ring + code indicates alarm.

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