Name: Guchen BTMS - Electric Bus Battery Pack Cooling System
Brand: GUCHEN
Rating: 5 (30 reviews)

GCEF Series Independent Battery Thermal Management System

Model:

GCEF

Cooling Capacity:

4-8KW

HV power supply:

DC400V-DC750V

Refrigerant:

R134a/R407c

Optional:

PTC heater

Introduction of GCEF series battery thermal management system

It is an Independent BTMS with major function to keep the battery temperature within its nominal operating temperature.
The BTM system consists of an electric scroll ac compressor, Danfoss heat exchanger, SPAL brushless fan and quality water pump. It can efficiently dissipate heat from the battery pack. The BTMS is designed to meet the high-temperature compatible requirements of electronic components, and can maintain a constant temperature inside the battery cabinet by controlling the airflow between batteries.

Standard Configuration of GCEF series Battery Pack Cooling System

◆ CAN2.0 communication. ◆ PTC water heater (6-14kw) is optional. ◆ There are four essential "work modes": standby mode, cooling mode, heating, and cycle mode.

◆ It is a liquid cooling system. ◆ Different models of battery thermal management systems offer different ranges of capacity. 3 Models are available with a cooling capacity range of 3kw to 8kw for your needs.

◆ Fault self-diagnosis function. ◆ Power data real-time upload. ◆ Meeting EMC compliance requirements

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Technical Parameters of Guchen BTMS for Electric Bus

Model	GCEF-01	GCEF-02	GCEF-03	GCEF-03-95	GCEF-03-Z
Rated cooling capacity(kw)	3	3, 4	8	9.5	8
Low voltage demand power	450W	600W	800W	1000W	600W
High voltage power supply	DC400V-DC750V
Low voltage power supply	DC24V（18V-32V）		DC24V（18V-30V）	DC24V（18V-32V）	DC24V（18V-30V）
Built-in water pump	＞20L/min @110 KPa	7m&2200l/h	20m&2000L/h	＞48L/min @150 KPa	/
Control power	DC24V Battery pack provides on/off signal
The protection level of the whole machine	IPX7
Refrigerant	R134a	R134a	R407C/R134a	R407C	R134a
Coolant	50%VV Glycol aqueous solution				/
Dimensions	704600280	530446365	819533280	1019585280	819533280
Unit fixing point	Φ12 hole *5	569mm369mm Φ12 hole 4	495mm320mmΦ12 hole 6	Φ12 hole *8	495mm320mm Φ12 hole 6
Connector	Inlet and outlet pipe Φ25				Outlet 12-M22 Inlet 16-M24
Plug-in	Configurable as required
Low voltage power	24V 450W	24V 600W	The unit can be configured with DC-DC	24V 1000W	The unit comes with DC-DC

More Details of Guchen BTM System

Why is Battery Thermal Management System a Necessity in Electric Bus?

The battery is one of the most important components of an electric vehicle, and it needs to be protected from overcharging and overheating.
The goal of a battery thermal management system is to keep the temperature of the battery pack at an optimal level for charging, discharging and storage. When properly installed, this system will help extend the life of electric bus batteries by reducing wear and tear on the cells caused by heat.
This is especially important 1) when charging electric city bus overnight, and 2) when the electric bus is driven in hot weather or under load for extended periods of time, as high temperatures will damage the batteries faster than anything else. The best way to prevent this is by installing a high-quality battery cooling system that can protect the battery packs from extreme temperatures.